as follows:
1. (Yu An), (Yu Fu), (When it rains), (Yu Xin).
2, (Rain Ang), (Rain Gang), (Rain Soon), (Rain Letter).
3, (Yu Ao), (Yu Gang), (Yu Jun), (Yu Xing).
4. (Yubai), (Yuge), (Yujun), (Yuxing).
5. (Yu Bai), (Yu Gen), (Yu Jun), (Yu Pei).
6. (Yu Bao), (Yu Gen), (Yu Jun), (Yu Xiong).