Interpretation of inverted eight-character root

Bu is one of the index directories of radicals. His name is "inverted eight heads" because it looks like an inverted eight. There are three words: Lan, Ban, He, Guan, Right, Emperor, Jun, He, Dan, Yang, Zhi, Qian, Sheikh, Zi, Yi, Concurrent, Animal, Pu, Zun, Emperor, Zi, Zeng, Yi. Hey, read it.