import sys;

inputstring = sys.stdin.readline()
inputstring = inputstring.strip()
inputstring = inputstring.replace("\n",' ')
inputstring = inputstring.replace(".",' ')
inputarray = inputstring.split(" ")
inputstring = ''
dictionary = { }

iterator = 0
for word in inputarray:
    iterator += 1
    lower = word.lower()
    word_hash = ''.join(sorted(lower))
    if not word_hash in dictionary:
        dictionary[word_hash] = { 'first':iterator,
                         'words':[] }
    if not lower in dictionary[word_hash]['words']:
        dictionary[word_hash]['words'].append(lower)

anagrams = []
for word_hash in dictionary:
    if len(dictionary[word_hash]['words']) > 1:
        anagrams.append(dictionary[word_hash]);

length_of_array = len(anagrams)
anagrams = sorted( array, key=lambda t: t['first'] )

for x in range(0,length_of_array):
    print( '\n' +  ' '.join( anagrams[x]['words'] ) )