from random import choice
s = 'あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやゆよらりるれろわをん'
print('\n'.join(f"{choice(s)}{choice(s)}" for _ in range(100)))
#choiceを知らなかったとき
import random a = "あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやゆよらりるれろわをん" m = random.randrange(len(a)) n = random.randrange(len(a)) print(a[m] + a[n])