Write a program that given a text, lists the words appearing in it grouped by their first letter.
Input
The input is a text, containing no punctuation signs, only letters (either upper or lowercase) and whitespaces.
Output
The output is, for each letter in the alphabet, the list of words in the text starting with that letter, lowercased and sorted alphabetically. Follow the format of the examples
Input
Why do French people eat snails They dont like fast food Why did the golfer wear two pairs of pants Just in case he got a hole in one Why dont the circus lions eat the clowns Because they taste funny
Output
A: a B: because C: case circus clowns D: did do dont E: eat F: fast food french funny G: golfer got H: he hole I: in J: just K: L: like lions M: N: O: of one P: pairs pants people Q: R: S: snails T: taste the they two U: V: W: wear why X: Y: Z:
Input
Let the bird of loudest lay On the sole Arabian tree Herald sad and trumpet be To whose sound chaste wings obey But thou shrieking harbinger Foul precurrer of the fiend Augur of the fevers end To this troop come thou not near From this session interdict Every fowl of tyrant wing Save the eagle featherd king Keep the obsequy so strict Let the priest in surplice white That defunctive music can Be the death divining swan Lest the requiem lack his right And thou treble dated crow That thy sable gender makst With the breath thou givst and takst Mongst our mourners shalt thou go Here the anthem doth commence Love and constancy is dead Phoenix and the turtle fled In a mutual flame from hence
Output
A: a and anthem arabian augur B: be bird breath but C: can chaste come commence constancy crow D: dated dead death defunctive divining doth E: eagle end every F: featherd fevers fiend flame fled foul fowl from G: gender givst go H: harbinger hence herald here his I: in interdict is J: K: keep king L: lack lay lest let loudest love M: makst mongst mourners music mutual N: near not O: obey obsequy of on our P: phoenix precurrer priest Q: R: requiem right S: sable sad save session shalt shrieking so sole sound strict surplice swan T: takst that the this thou thy to treble tree troop trumpet turtle tyrant U: V: W: white whose wing wings with X: Y: Z: