Anagrams

n=int(input())
a={}
def count(st):    
    d={'a':0, 
    'b':0, 
    'c':0, 
    'd':0, 
    'e': 0, 
    'f': 0,
    'g': 0,
    'h': 0,
    'i': 0,
    'j': 0,
    'k': 0,
    'l': 0,
    'm': 0,
    'n': 0,
    'o': 0,
    'p': 0,
    'q': 0,
    'r': 0,
    's': 0, 
    't': 0,
    'u': 0,
    'v': 0,
    'w': 0,
    'x': 0,
    'y': 0,
    'z': 0
    }
    for i in st:
        d[i]+=1
    return "".join(map(str, d.values()))

for i in range(n):
    s=input()
    c=count(s)
    if c not in a:
        a[c]=[]
    a[c].append(s)

f=a.values()
res=[x for x in f if len(x)>1]
print(len(res))
for i in res:
    print(len(i))
    [print(x) for x in i]

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