When combining Cheng and Wu Lai to name the family leader, you can consider the following methods:
1. Cheng Wu Ge: Combine the two names together to "Ge" is the suffix, meaning "door pavilion", which means home.
2. Wu Chengju: Reverse the order of Wu and Cheng, and use "ju" as the suffix, which also means home.
3. Cheng Wu Hui Zhai: Adding the word "Hui" between the two names means the richness of the family, and using "Zhai" as the suffix emphasizes the sense of belonging to the home.
4. Wu Chengyuanju: Adding the word "source" between the two names means the source of family life, and using "ju" as the suffix emphasizes the place of residence.
The above are some suggestions. The specific name needs to be combined with personal preferences and family cultural background.