Name your son. The surname is Liu. There are three characters, the last one is the character "Lang". What character should be added in the middle to make it fit in all five characters?

Liu Xinlang, Liu Xinlang, Liu Fenglang, Liu Yulang, Liu Yilang, Liu Wenlang, Liu Minglang, Liu Jinglang, Liu Youlang, Liu Helang, Liu Dalang, Liu Yelang, Liu Shaolang

Liu Tonglang, Liu Xinglang, Liu Zhenlang, Liu Guolang, Liu Xulang, Liu Weilang, Liu Ruilang, Liu Zhilang, Liu Yuanlang, Liu Zhilang, Liu Ronglang, Liu Weilang