When naming a child, the first character is Yang and the third character is Qian. What character should be inserted in the middle?

Possible names: Yang Manqian (Man, meaning gentle.)

Yang Pinqian (Pin, meaning character, discerning the good and the bad.)

Yang Huiqian (Hui, the general name for flowers and plants.)

Yang Aiqian (Ai refers to a kind of herbaceous plant. It also refers to longevity, beauty and beauty. It is homophonic to "love".)

For reference.