Anagrams

words = {}

num = int(input())
for i in range(num):
    word = input()
    sortedWord = "".join(sorted(word))
    if sortedWord in words:
        words[sortedWord].append(word)
    else:
        words[sortedWord] = [word]
    
ttl = 0
for key in words.keys():
    if len(words[key]) > 1:
        ttl += 1
print(ttl)

for key in words.keys():
    if len(words[key]) > 1:
        print(len(words[key]))
        for word in words[key]:
            print(word)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED