You can call her Momo. If you are a bitch, you can call her Xiaoyu, Mumu, Tangmu, Xiaoao, Xiaohui, Zongzi, and Xiaoxi. For male dogs, they can be called Kuku, Guduo, Liangzi, Biscuit, Chocolate, Milk, etc.
About the colors: small white, small black, small gray, gurgling, small flower.
About personality: Shanshan, Pizi, Xiongxiong, Xiaoguai.
I hope these can give you some inspiration. In fact, you can name your dog according to its characteristics. I hope you have fun playing with your dog~