#!/usr/bin/python

'''
Description:	Read in a string and output altered, sorted text
Keywords:		lower, split, join, range, append, add, sort, parse, character
'''

inString = "I may opt for a top yam for Amy, May, and Tommy."
characterSet="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz "
newString = ''.join([char for char in inString if char in characterSet])
newString = newString.lower()
parsedString = newString.split(" ")
seen = set()
result = []

for i in range(0,len(parsedString)):
	#print ''.join(sorted(parsedString[i]))
	sortedParse = ''.join(sorted(parsedString[i]))
	if sortedParse not in seen:
		seen.add(sortedParse)
		result.append(sortedParse)

print(' '.join(sorted(result)))