Question

I want to generate all possible permutations for specific consonant/vowel setups. For example, I would like all possible 3 letter word permutations with the format of CVC (Consonant, Vowel, Consonant).

I don’t know of any way to multiply permutations:

permutations("bcdfghjklmnpqrstvwxyz",1) * permutations("aeiou",1) * permutations("bcdfghjklmnpqrstvwxyz",1)

How can this be achieved in python?

Answer 1

itertools.product to the rescue:

>>> import itertools
>>> consonants = "bcdfghjklmnpqrstvwxyz"
>>> vowels = "aeiou"
>>> poss = list(itertools.product(consonants, vowels, consonants))
>>> len(poss)
2205
>>> poss[:10]
[('b', 'a', 'b'), ('b', 'a', 'c'), ('b', 'a', 'd'), ('b', 'a', 'f'), ('b', 'a', 'g'), ('b', 'a', 'h'), ('b', 'a', 'j'), ('b', 'a', 'k'), ('b', 'a', 'l'), ('b', 'a', 'm')]

or if you want words specifically:

>>> words = list(''.join(letters) for letters in itertools.product(consonants, vowels, consonants))
>>> words[:10]
['bab', 'bac', 'bad', 'baf', 'bag', 'bah', 'baj', 'bak', 'bal', 'bam']