import nltkwordlist=nltk.corpus.words.words()if __name__=='__main__':	while(True):		letters=raw_input('letters:')		rs=[w for w in wordlist if len(w)>1 and nltk.FreqDist(w)<=nltk.FreqDist(letters)]		print list(set(sorted(rs,key=lambda x:len(x),reverse=True)))

可以用来玩 words with friends 哦