# coding: utf-8

class Solution:

# @param strs: A list of strings

# @return: A list of strings

def anagrams(self, strs):

# write your code here

ret = []

word_map = {}

for word in strs:

sorted_word = ''.join(sorted(word))

if sorted_word not in word_map:

word_map[sorted_word] = {'count':1, 'words':[word]}

else:

word_map[sorted_word]['count'] += 1

word_map[sorted_word]['words'].append(word)

for key, info in word_map.items():

if info['count'] > 1:

for word in info['words']:

ret.append(word)

return ret

# medium: http://lintcode.com/zh-cn/problem/anagrams/