Lowercase the input

I. Lvg Command:

shell> lvg -f:l -F:1:2

II. Test Cases:

AIDS|aids
ÀÁÂÃÄÅ ÈÉÊË ÌÍÎÏ ÒÓÔÕÖ Ø ÙÚÛÜ|àáâãäå èéêë ìíîï òóôõö ø ùúûü
Syndrome, Adie|syndrome, adie
2,4(1H,3H)-Pyrimidinedione, 5-fluoro-|2,4(1h,3h)-pyrimidinedione, 5-fluoro-
2,6-Dichlorobenzenoneindophenol Dye|2,6-dichlorobenzenoneindophenol dye
Åsbos chicken|åsbos chicken
Ölansk Bantam chicken|ölansk bantam chicken
Red Polled Østland cattle|red polled østland cattle
RÜV CO2/V O2|rüv co2/v o2
C_A014	Paratyphoïde, sans précision|c_a014	paratyphoïde, sans précision
C_A060	Dysenterie amibienne (aiguë)|c_a060	dysenterie amibienne (aiguë)
C_A302	Lèpre tuberculoïde de type intermédiaire atypique|c_a302	lèpre tuberculoïde de type intermédiaire atypique
C_A540	Infection gonococcique de la partie inférieure de l'appareil génito-urinaire, (sans abcès périurétral ou des glandes annexes)|c_a540	infection gonococcique de la partie inférieure de l'appareil génito-urinaire, (sans abcès périurétral ou des glandes annexes)
C_M352	Syndrome de Behçet|c_m352	syndrome de behçet
C_M350	Syndrome de Gougerot-Sjögren|c_m350	syndrome de gougerot-sjögren
test_lc_diac	åæâãáàäêéèëîíìïôõóøòöûúùüýçñ|test_lc_diac	åæâãáàäêéèëîíìïôõóøòöûúùüýçñ
test_uc_diac	ÅÆÂÃÁÀÄÊÉÈËÎÍÌÏÔÕÓØÒÖÛÚÙÜÝÇÑ|test_uc_diac	åæâãáàäêéèëîíìïôõóøòöûúùüýçñ
test_lc_norm	aaaaaaaeeeeiiiioooooouuuuycn|test_lc_norm	aaaaaaaeeeeiiiioooooouuuuycn
test_uc_norm	AAAAAAAEEEEIIIIOOOOOOUUUUYCN|test_uc_norm	aaaaaaaeeeeiiiioooooouuuuycn
3-HYDROXY-3-METHYLGLUTARIQUE, ACIDE|3-hydroxy-3-methylglutarique, acide
Cyclic AMP, 8-Bromo|cyclic amp, 8-bromo
ABORT, NAPRAVLIAEMYE NA ABORT|abort, napravliaemye na abort
Accidents, Traffic|accidents, traffic
Acid, NOS|acid, nos
Activities, Daily Living|activities, daily living
Adenomas, Basophil|adenomas, basophil
Syndrome, Adie|syndrome, adie
Cortex Disease, Adrenal|cortex disease, adrenal
Blocking Agents, beta-Adrenergic|blocking agents, beta-adrenergic
MYELOID METAPLASIA, AGNOGENIC|myeloid metaplasia, agnogenic
Alcohol, Propyl|alcohol, propyl
Postinfectional hypotrichosis, NOS|postinfectional hypotrichosis, nos
Alzheimer's disease, unspecified|alzheimer's disease, unspecified
Acids, Aminobenzoic|acids, aminobenzoic
Amyloidosis, NOS|amyloidosis, nos
Anemia, Dyserythropoietic, Congenital|anemia, dyserythropoietic, congenital
Departments, Hospital Anesthesia|departments, hospital anesthesia
Angioplasty, Transluminal, Percutaneous Coronary|angioplasty, transluminal, percutaneous coronary
L-Histidine, N-beta-alanyl-3-methyl-|l-histidine, n-beta-alanyl-3-methyl-
Antibiotics, Antineoplastic|antibiotics, antineoplastic
Antigens, CD4|antigens, cd4
Drugs, Antiparasitic|drugs, antiparasitic
Incompetent, aortic valve|incompetent, aortic valve
5-Lipoxygenase, Arachidonic Acid|5-lipoxygenase, arachidonic acid
Malformation, Arteriovenous|malformation, arteriovenous
Dehydrogenase, Ascorbino|dehydrogenase, ascorbino
Injuries, Athletic|injuries, athletic
Disorders, Autistic|disorders, autistic
1H-Purine, 6-((1-methyl-4-nitro-1H-imidazol-5-yl)thio)-|1h-purine, 6-((1-methyl-4-nitro-1h-imidazol-5-yl)thio)-
Balloons, Ballobes|balloons, ballobes
Beaver, NOS|beaver, nos
Distribution, Bernoulli|distribution, bernoulli
Dyskinesia, biliary|dyskinesia, biliary
Transport, Uphill|transport, uphill
Diseases, Bladder|diseases, bladder
SVERTYVANIE KROVI, TESTY|svertyvanie krovi, testy
Syndrome, Bloom|syndrome, bloom
Diseases, Bone Marrow|diseases, bone marrow
Leukemia Virus, Bovine|leukemia virus, bovine
Fetal Presentations, Breech|fetal presentations, breech
Gland, Brunner's|gland, brunner's
Antipsychotics, Butyrophenone|antipsychotics, butyrophenone
Sulfate, Lime Anhydrous|sulfate, lime anhydrous
Abuse, Cannabis|abuse, cannabis
Cyanide p-Trifluoromethoxyphenylhydrazone, Carbonyl|cyanide p-trifluoromethoxyphenylhydrazone, carbonyl
Carcinoma, Krebs 2|carcinoma, krebs 2
[X]Cardiovascular disease, unspecified|[x]cardiovascular disease, unspecified
Proteins, Catabolite Activator|proteins, catabolite activator
Monkeys, Capuchin|monkeys, capuchin
System, Cell-Free|system, cell-free
Anoxias, Cerebral|anoxias, cerebral
Ferroxidase, Ceruloplasmin|ferroxidase, ceruloplasmin
Agents, Chelating|agents, chelating
Disorder, Child Nutrition|disorder, child nutrition
CHOLANGITIS, FIBROSING|cholangitis, fibrosing
Mole, hydatidiform, invasive|mole, hydatidiform, invasive
Substrates, Chromogenic|substrates, chromogenic
Emmonsia, NOS|emmonsia, nos
Visit, Clinic|visit, clinic
COBALT, RADIOISOTOPE|cobalt, radioisotope
Rectocolitides, Ulcerative|rectocolitides, ulcerative
Therapies, Combined Modality|therapies, combined modality
Enzyme, C5 Cleaving|enzyme, c5 cleaving
Graphics, Computer|graphics, computer
Conjunctivitides, Purulent|conjunctivitides, purulent
Contraceptives, Oral|contraceptives, oral
Edema, Corneal|edema, corneal
Radiations, Cosmic|radiations, cosmic
Period, Critical|period, critical
Canine tooth, NOS|canine tooth, nos
Suture, bladder|suture, bladder
Sodium, Dantrolene|sodium, dantrolene
N,N Diethyltoluamide|n,n diethyltoluamide
Demyelination, NOS|demyelination, nos
Technic, Dental High-Speed|technic, dental high-speed
ZAHNMEDIZINISCHER DIENST, KRANKENHAUS|zahnmedizinischer dienst, krankenhaus
Deoxyribonucleases, Type II, Site Specific|deoxyribonucleases, type ii, site specific
Agents, Dermatological|agents, dermatological
Diet, Diabetic|diet, diabetic
Technics, Urologic Diagnostic|technics, urologic diagnostic
Test, Dichotic Listening|test, dichotic listening
Pharyngeal, pouch syndrome|pharyngeal, pouch syndrome
Gel, Prepidil|gel, prepidil
Twins, Diseases in|twins, diseases in
Insertion Element, DNA|insertion element, dna
Phosphoryl Dolichol, Mannosyl|phosphoryl dolichol, mannosyl
Schedule, Drug Administration|schedule, drug administration
ARZNEIMITTEL, NICHT VERSCHREIBUNGSPFLICHTIGE|arzneimittel, nicht verschreibungspflichtige
Colitis, Amoebic|colitis, amoebic
Transcriptions, Early Gene|transcriptions, early gene
Dysplasia, ectodermal|dysplasia, ectodermal
Pharmaceutic Education, Graduate|pharmaceutic education, graduate
Therapies, Electroconvulsive|therapies, electroconvulsive
EMBOLIE, FRUCHTWASSER-|embolie, fruchtwasser-
beta-D-Glucosidase, Emulsion|beta-d-glucosidase, emulsion
Disease, Hurst|disease, hurst
FIBROSIS, ENDOMYOCARDIAL|fibrosis, endomyocardial
Zonulolysis, Enzymatic|zonulolysis, enzymatic
Epilepsy seizure, generalized|epilepsy seizure, generalized
Influenza Virus, Equine|influenza virus, equine
Volumes, Erythrocyte|volumes, erythrocyte
Oesophagoplasty, NOS|oesophagoplasty, nos
ETHYLE, METHANESULFONATE|ethyle, methanesulfonate
Removal, NOS|removal, nos
Appliance, Extraoral Traction|appliance, extraoral traction
PROSTHESIS, EYE, INTERNAL|prosthesis, eye, internal
Factor X deficiency, NOS|factor x deficiency, nos
Anemia, Fanconi's|anemia, fanconi's
CALICIVIRUS, FELINES|calicivirus, felines
Method, Fertility Pattern|method, fertility pattern
Diseases, Breast Fibrocystic|diseases, breast fibrocystic
Oils, Fish Liver|oils, fish liver
2,4(1H,3H)-Pyrimidinedione, 5-fluoro-|2,4(1h,3h)-pyrimidinedione, 5-fluoro-
Food, poisoning|food, poisoning
FORMIMINOGLUTAMIQUE, ACIDE|formiminoglutamique, acide
Ataxy, family|ataxy, family
Excavatum, Pectus|excavatum, pectus
Ligase, Glutamate-Cysteine|ligase, glutamate-cysteine
CARDIOESOPHAGEAL RELAXATION, GASTROESOPHAGEAL REFLUX|cardioesophageal relaxation, gastroesophageal reflux
Fusions, Gene|fusions, gene
Genes, gag|genes, gag
Markers, Genetic|markers, genetic
Cells, Giant|cells, giant
Glaucoma, Open Angle|glaucoma, open angle
Acid, D-Glucaric|acid, d-glucaric
Acid, Glycocholic|acid, glycocholic
STRUMA, ENDEMISCHE|struma, endemische
GREFFON CONTRE HOTE, REACTION|greffon contre hote, reaction
Phosphates, Guanosine|phosphates, guanosine
Hallucination, NOS|hallucination, nos
Rationing, Health Care|rationing, health care
Service, Health Indigenous|service, health indigenous
Enlargement, Heart|enlargement, heart
Transplantations, Heart-Lung|transplantations, heart-lung
Test, Hematologic|test, hematologic
Abnormal haemoglobin, NOS|abnormal haemoglobin, nos
Comas, Hepatic|comas, hepatic
Nephrosis, cholemic|nephrosis, cholemic
Blister, Fever|blister, fever
Ventilation, High Frequency Jet|ventilation, high frequency jet
Antigen, Histocompatibility|antigen, histocompatibility
Seropositivity, HTLV-III|seropositivity, htlv-iii
Bromide, Homidium|bromide, homidium
Service, Shared Hospital|service, shared hospital
I, HSN Type|i, hsn type
Effusion of joint, site unspecified|effusion of joint, site unspecified
Hypercholesterolemia, Familial|hypercholesterolemia, familial
Allergy, unspecified|allergy, unspecified
Area, Lateral Hypothalamic|area, lateral hypothalamic
Testings, Illicit Drug|testings, illicit drug
Switch Sequence, Ig|switch sequence, ig
Immunosuppressive agent, NOS|immunosuppressive agent, nos
Nursings, Industrial|nursings, industrial
PAGET, MALADIE CUTANEE|paget, maladie cutanee
INJEKTIONEN, INTRAVENOESE|injektionen, intravenoese
Management Team, Institutional|management team, institutional
Units, Intensive Care|units, intensive care
Gland, Interrenal|gland, interrenal
Tensions, Ocular|tensions, ocular
Benzoic acid, 3-(acetylamino)-2,4,6-triiodo-5-((methylamino)carbonyl)-|benzoic acid, 3-(acetylamino)-2,4,6-triiodo-5-((methylamino)carbonyl)-
Amaurotic idiocy, late infantile type|amaurotic idiocy, late infantile type
Jugular veins, NOS|jugular veins, nos
Dehydrogenase, 2-Oxoglutarate|dehydrogenase, 2-oxoglutarate
Nephrosis, Lower Nephron|nephrosis, lower nephron
Kyphosis, NOS|kyphosis, nos
Synthase, Lactose|synthase, lactose
Virus, Latent Rat|virus, latent rat
Legislations, Pharmacy|legislations, pharmacy
LESCH NYHAN, SYNDROME|lesch nyhan, syndrome
Lymphoid leukemia, NOS|lymphoid leukemia, nos
Leukemia, Myelocytic, Acute|leukemia, myelocytic, acute
Leukemia, Myeloid, Acute, M4|leukemia, myeloid, acute, m4
LEUKAEMIE, T-ZELL-, HTLV-II-ASSOZIIERTE|leukaemie, t-zell-, htlv-ii-assoziierte
Cell-Stimulating Hormone, Interstitial|cell-stimulating hormone, interstitial
9, 12-Octadecadienoic acid|9, 12-octadecadienoic acid
Listeriosis, unspecified|listeriosis, unspecified
Ethanone, 2-(6-(2-hydroxy-2-phenylethyl)-1-methyl-2-piperidinyl)-1-phenyl-, (2R-(2alpha,6alpha(S*)))-|ethanone, 2-(6-(2-hydroxy-2-phenylethyl)-1-methyl-2-piperidinyl)-1-phenyl-, (2r-(2alpha,6alpha(s*)))-
LUNGENKRANKHEITEN, MYKOTISCHE|lungenkrankheiten, mykotische
Irradiations, Lymphoid|irradiations, lymphoid
Malignant lymphoma, non-Hodgkin's type|malignant lymphoma, non-hodgkin's type
Hole, Macular|hole, macular
Hyperpyrexias, Malignant|hyperpyrexias, malignant
Nitrogen Mustard, Mannitol|nitrogen mustard, mannitol
Mammectomy, NOS|mammectomy, nos
Second division, trigeminal nerve|second division, trigeminal nerve
Sciences, Medical Information|sciences, medical information
SKIN CANCER, MELANOMA|skin cancer, melanoma
Meningitides, Meningococcic|meningitides, meningococcic
Mesenteric artery, NOS|mesenteric artery, nos
Methemoglobinemia, unspecified|methemoglobinemia, unspecified
BALB C Mouse, Inbred|balb c mouse, inbred
Microscopy, Electron|microscopy, electron
Hydrochloride, Minocycline|hydrochloride, minocycline
Blood-Group Systems, MNSs|blood-group systems, mnss
beta Lactams, Monocyclic|beta lactams, monocyclic
Tumor Virus, Mouse|tumor virus, mouse
Carboxylase Deficiencies, Combined|carboxylase deficiencies, combined
Atrophic, muscle|atrophic, muscle
Fungal poisoning, NOS|fungal poisoning, nos
Disease, Thomsen|disease, thomsen
Nannizzia, NOS|nannizzia, nos
Distribution, Negative Binomial|distribution, negative binomial
Neoplasms, Radiation Induced|neoplasms, radiation induced
Systems, Nervous|systems, nervous
Junctions, Neuromuscular|junctions, neuromuscular
HISTIOCYTOSIS, LIPID|histiocytosis, lipid
Distribution, Nonclinical|distribution, nonclinical
Nucleic acid, NOS|nucleic acid, nos
Nursing, Supervisory|nursing, supervisory
Hypertension, Ocular|hypertension, ocular
Oncoprotein, NOS|oncoprotein, nos
Nerve Heads, Optic|nerve heads, optic
Mental Disorder, Organic|mental disorder, organic
Influenza Virus, Swine|influenza virus, swine
Syndrome, Acro-Osteolysis|syndrome, acro-osteolysis
Function Tests, Ovarian|function tests, ovarian
Pacemaker, cardiac|pacemaker, cardiac
PANCREAS, MALADIES|pancreas, maladies
Paraffin, NOS|paraffin, nos
System, Parasympathetic Nervous|system, parasympathetic nervous
PTT, activated|ptt, activated
Recognitions, Visual Pattern|recognitions, visual pattern
Neoplasm, Penile|neoplasm, penile
Performances, Perceptual Motor|performances, perceptual motor
Cyst, periodontal|cyst, periodontal
Buffer Zones, Body|buffer zones, body
Carbinol, Benzyl|carbinol, benzyl
Phosphoglycerides, Ethanolamine|phosphoglycerides, ethanolamine
Medicine, Physical|medicine, physical
Bodies, Pineal|bodies, pineal
VEGETAUX, PROTEINES|vegetaux, proteines
Pleurodynia, Epidemic|pleurodynia, epidemic
PHYTOLACCA AMERICANA, MITOGENE|phytolacca americana, mitogene
Depolymerase, Pectin|depolymerase, pectin
Specialists, Population Program|specialists, population program
Ulcer, Postphlebitic|ulcer, postphlebitic
Pregnancy Complications, Cardiovascular|pregnancy complications, cardiovascular
Protein, SP1 Pregnancy|protein, sp1 pregnancy
Thrombocytopenic, primary|thrombocytopenic, primary
PROGESTERONE, GLOBULINE FIXATRICE|progesterone, globuline fixatrice
Model, Proportional Hazards|model, proportional hazards
Protein binding capacity, NOS|protein binding capacity, nos
Pruritus, ani|pruritus, ani
PSYCHOLOGIE, EXPERIMENTELLE|psychologie, experimentelle
Poll, Public Opinion|poll, public opinion
Degeneration, pulp|degeneration, pulp
Dimers, Pyrimidine|dimers, pyrimidine
Radial nerve, NOS|radial nerve, nos
Assay, Radioimmune Precipitin|assay, radioimmune precipitin
Rat, NOS|rat, nos
Testing, Reality|testing, reality
Receptors, Gonadoliberin|receptors, gonadoliberin
Activation Antigens, VLA|activation antigens, vla
Disorder of refraction, NOS|disorder of refraction, nos
Blood Flow, Renal|blood flow, renal
Circulation, Respiratory|circulation, respiratory
Systems, Reticuloendothelial|systems, reticuloendothelial
RNA tumour virus group, NOS|rna tumour virus group, nos
LACTOFLAVINE, CARENCE|lactoflavine, carence
RNA, Fungal|rna, fungal
20-1724, Ro|20-1724, ro
Iodide, S-Butyrylthiocholine|iodide, s-butyrylthiocholine
(Sar1,Val5,Ala8)Angiotensin II|(sar1,val5,ala8)angiotensin ii
Hematuria, endemic|hematuria, endemic
Scleroderma, Localized|scleroderma, localized
Sedative, hypnotic, or anxiolytic amnestic disorder|sedative, hypnotic, or anxiolytic amnestic disorder
[X]Septicemia, unspecified|[x]septicemia, unspecified
Chromosome, Sex|chromosome, sex
FIBROMVIRUS, KANINCHEN-|fibromvirus, kaninchen-
Group Virus, Simbu|group virus, simbu
Disease, Metabolic Skin|disease, metabolic skin
Control, Formal Social|control, formal social
Soda, Caustic|soda, caustic
Localization, Sound|localization, sound
Therapy, speech|therapy, speech
Neoplasm, Spinal|neoplasm, spinal
SPOREN, BAKTERIEN-|sporen, bakterien-
MEDITSINA, GOSUDARSTVENNYI SEKTOR|meditsina, gosudarstvennyi sektor
Diverticulosis, Gastric|diverticulosis, gastric
Infections, Equine Strongyle|infections, equine strongyle
Subdural haemorrhage, NOS|subdural haemorrhage, nos
Suicide, Attempted|suicide, attempted
T Cells, Suppressor Effector|t cells, suppressor effector
Surgery, Veterinary|surgery, veterinary
Membranes, Synaptic|membranes, synaptic
Tachycardia, Sinoatrial Nodal Reentry|tachycardia, sinoatrial nodal reentry
Technology, High-Cost|technology, high-cost
Region, Terminator|region, terminator
OVARY, THECA CELL TUMOR|ovary, theca cell tumor
Thoracic vertebra, NOS|thoracic vertebra, nos
Agents, Antithyroid|agents, antithyroid
Assay, Time-Resolved Immunofluorometric|assay, time-resolved immunofluorometric
Scanners, Computed Axial Tomography|scanners, computed axial tomography
Reimplantations, Tooth|reimplantations, tooth
Fistula, esophagotracheal|fistula, esophagotracheal
Grafting procedure, NOS|grafting procedure, nos
Vulvovaginitis, trichomonal|vulvovaginitis, trichomonal
Mutase, Triosephosphate|mutase, triosephosphate
Reanastomoses, Tubal|reanastomoses, tubal
Sclerosis, Tuberous|sclerosis, tuberous
Typhus, abdominal|typhus, abdominal
SSHA, AGENTSTVO PO OKHRANE OKRUZHAIUSHCHEI SREDY|ssha, agentstvo po okhrane okruzhaiushchei sredy
Catheterization, Urethral|catheterization, urethral
System, Urogenital|system, urogenital
IMMUNIZATION, ACTIVE; MEASLES VIRUS VACCINE, LIVE, ATTENUATED|immunization, active; measles virus vaccine, live, attenuated
Acid, Vanillic|acid, vanillic
Veillonella, NOS|veillonella, nos
Exanthema, Swine Vesicular|exanthema, swine vesicular
[X]Viral infection,unspecified|[x]viral infection,unspecified
Duct, Omphalomesenteric|duct, omphalomesenteric
WASSERVERSCHMUTZUNG, CHEMISCHE|wasserverschmutzung, chemische
RADIOAKTIVNOST' ORGANIZMA, IZMERENIIA|radioaktivnost' organizma, izmereniia
Injury, wrist|injury, wrist
Fever, yellow, sylvatic|fever, yellow, sylvatic
1 beta-ribofuranosyl-4-(methylmercapto)pyrazolo(3,4-d)pyrimidine|1 beta-ribofuranosyl-4-(methylmercapto)pyrazolo(3,4-d)pyrimidine
1,2-DIMETILIDRAZINA|1,2-dimetilidrazina
1,4-bis(2,3-epoxypropoxy)butane|1,4-bis(2,3-epoxypropoxy)butane
S-adenosylmethionine methylthioadenosine-lyase (alpha, gamma-eliminating)|s-adenosylmethionine methylthioadenosine-lyase (alpha, gamma-eliminating)
Thromboxa-5,13-dien-1-oic acid, 9,15-dihydroxy-11-oxo-, (5Z,9alpha,13E,15S)-|thromboxa-5,13-dien-1-oic acid, 9,15-dihydroxy-11-oxo-, (5z,9alpha,13e,15s)-
17-hydroxy-17-methyl-3-oxospiro(androst-5-ene-4,1'-cyclopropane)-2-carbonitrile|17-hydroxy-17-methyl-3-oxospiro(androst-5-ene-4,1'-cyclopropane)-2-carbonitrile
2,2'-biphenol|2,2'-biphenol
2,3-dinor-6,15-diketo-PGF1alpha|2,3-dinor-6,15-diketo-pgf1alpha
2,4-dinitrophenyl-IgG|2,4-dinitrophenyl-igg