https://school.programmers.co.kr/learn/courses/30/lessons/84512
from itertools import product # 중복 순열
def solution(word):
s = []
for i in range(1, 6): # 1~5자리 문자열
for p in product(['A', 'E', 'I', 'O', 'U'], repeat=i):
s.append(''.join(p))
return list(sorted(s)).index(word)+1
#중복 #순열 #조합 #product #itertools #permutations #combinations