It is best for Xu to name the child with wood and water.

Look at these names, I hope it will help you: Xu Hao, Xu Yang, Xu Lin, Bin Xu, Xu Hai, Xu Shui, Xú Zhēng, Xu Mei (female), Xu Bo, Childe Xu, Xu Yang, Xu Haoran, Xu Haoxuan, Xu Ziru (female), Xu Ziyi (female), Xu Mozi (female), Xu Zicheng and Xu Mozi. I hope I can help you. Most of these names have wood and water.