going to write down the ones I've found so far, hopefully some others can add to the list:
Cum
Blood
Galaxy
Human/Humanity(*?, may reverse heaven and hell but game either bugged out or didn't register the transformation)
Shit
Sex
Liquor/Beer
Coffee
Water
Death (causes a Game Over, but doesn't do anything otherwise)
Health/Cure(*,reverses Cancer)
Cancer (*)
Hell/Evil(*)
Heaven(*)
* indicates a transformation