According to what you said about the lack of soil in the five elements, you can add the word "jia" after Wu Jia, Wu Jiajia.
Many parents mistakenly believe that whatever the baby lacks in the five elements, they should make up for it when choosing a name. In fact, this is not completely correct. We should name the baby according to the five elements attributes he likes in his horoscope. It is recommended that you find a professional naming master for baby numerology analysis