words_set=set([])
for line in open('word.list', 'r'):
    words_set.add(line.strip())

import sys
letters = list(sys.argv[1])
n = int(sys.argv[2])

import itertools
found=[]
for x in itertools.permutations(letters, n):
    w = ''.join(x)
    if w in words_set and not w in found:
        print 'found', w
        found.append(w)