Anagrams

n = input()
d = {}
for _ in range(int(n)):
    word = input()
    h = ''.join(sorted(word))
    if h in d:
        d[h] = d[h] + [word]
    else:
        d[h] = [word]

d = {k:v for k,v in d.items() if len(v) != 1}

print(len(d))
for k, v in d.items():
    print(len(v))
    for word in v:
        print(word)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: TIME LIMIT EXCEEDED

Test 6

Verdict: TIME LIMIT EXCEEDED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED