Elements

Fire and Water Male and Female

Fire is spirit. Spirit needs matter and air for experience, just as fire needs matter and air for ignition.

Water is Corrupted Spirit - (Air) suspended within matter (Oxygen laden down with Hydrogen)

Air and Earth Male and Female

Air is spirit, and can be trapped in water

Earth is matter, the supporter of the progression of spirit through matter

Fire is the Purifier: the releasing of Air (Spirit) from Matter (Earth) and Sin (Hydrogen)