Sample usage of Python's itertools.permutations()

permutations.py

#! /usr/bin/env python

"""Permutation generator

Just a sample usage of itertools.permutations() (Python 2.6 and later)

"""

import itertools

wordlist = list(itertools.permutations("estuyz"))

with open("permutations.txt", "wb") as f:
    for word in wordlist:
        for letter in word:
            f.write(letter)
        f.write("\n")

print "wrote", len(wordlist), "words"