Tiangan means: Textual Research on Different Books says:
A means of demolition means that everything is cut out.
B means rolling, which means everything is born and rolled out.
C means bing, which means you can see everything.
Ding means strong, which means everything is strong.
E means lush, which means everything is thriving.
Self-discipline means that everything is tangible and binding.
Geng means more, which means that everything converges and is true.
New means new, which means that everything is harvested at a new time.
Ren means Ren, which means Yang is willing to support everything.
Deck means slapping, which means you can slap anything.