Anagrams

n=int(input())
#print("".join(['a','b','c']))
s,d=set(),dict()
for i in range(n):
    t=input().strip()
    t1="".join(sorted(t))
    if t1 in d:
        d[t1].add(t)
        s.add(t1)
    else: d[t1]=set((t,))
print(len(s))
#print(s,d,end="\n \n")
for c in s:
    print(len(d[c]))
    print(*d[c],sep="\n")

Test 1

Verdict: UNKNOWN

Test 2

Verdict: UNKNOWN

Test 3

Verdict: UNKNOWN

Test 4

Verdict: UNKNOWN

Test 5

Verdict: UNKNOWN

Test 6

Verdict: UNKNOWN

Test 7

Verdict: UNKNOWN

Test 8

Verdict: UNKNOWN

Test 9

Verdict: UNKNOWN