# Function to find the size of largest subset of anagram words
from collections import Counter

def maxAnagramSize(input):

	input = input.split(" ")

	for i in range(0,len(input)):
		input[i]=''.join(sorted(input[i]))

	freqDict = Counter(input)

	print (max(freqDict.values()))

if __name__ == "__main__":
	input = 'ant magenta magnate tan gnamate'
	maxAnagramSize(input)