What are the forming conditions of eight-character combination and three-character combination?

In the eight characters, the two words adjacent to the heavenly stem or the earthly branch are the same, such as Jia Zi and Yi Chou. Three-in-one game refers to the three-in-one game composed of the branches of the year, month, day or time column, such as the three-in-one game composed of Jiayin, Jimao and Yibei. The eight-character combination has the following conditions: 1. Two identical heavenly stems or earthly branches are called "dry combination" or "branch combination". 2. The cooperation conditions are Party A, Party B, Party B, Party D, Party C, Party D, Party B, Party A, Party B, Party B ... 3. Support and cooperation are based on the following conditions: combination of children and ugliness, absence, combination of yin and wool, unity, combination of Chen and Si, ugliness, noon, failure, ugliness. The formation condition of three-in-one game is: 1. The main branch is a three-in-one game. 2. The heavenly stems of the Sanhe Bureau belong to the five elements of "life". 3. The local branch of Sanhe Bureau belongs to the five elements of "life".