Examples of aabb-style twin nicknames are as follows:
Peace, peace, happiness, welcome, happiness, joy, fatness, strength, health, congruity, Mihuahua
Duo Maomao Gugu Guagua baby, Beibei, South, North, North, Dudu, Ding, Ding, West, West, Zhou, Zhou
Mianmian porridge, super super spirit, joy, little core, star, moon, moon, reunion, reunion
Sugar Candy Fruit is quiet, square, upright, and conscientiously happy, upright and aboveboard
Being upright and thoughtful