import sys
import random

class wordmap:
    def __init__(self,fc,wordfile):
        self.words = []
        for w in open(wordfile,'r').readlines():
            w = w.strip().lower()
            if fc == w[0]:
                self.words.append(w)
    def __getitem__(self,i):
        return self.words[i]

for w in sys.argv[1:]:
    wm = wordmap(w.lower(),'/usr/share/dict/words')
    print wm[ random.randrange(len(wm.words)) ],
print