What is a better word to match the name Mu?

Mu Ziyou, Mu Qingyou, Mu Yazhi, Mu Lanxue, Mu Yingying, Mu Ying, Mu Wanting, Mu Bingxian, Mu Yaqi and Mu Jiaojiao.

For boys only:

Mu Tengfei, Murong Liqing, Murong Qingge, Mu Xiangyu, Mu Guanchen, Mu Minglai, Mu Mu Mu