内侧

内 = ⺆ + 人 : Mnemonic symbol: A CT scanner to see inside of someone.

内 = ⺆ + 人 : Napoleon just can't find his stapler and suspects that Neanderthal Man has eaten it. Not thinking twice he orders Neanderthal Man to enter his CT scanner in the Eiffel Tower's bathroom, finding his stapler in Neanderthal Man's stomach.

侧 = 亻 + 则 : Wu Zetian (则) and the King of Chu (c) got married in the elevator's bathroom (e4) and after the ceremony they are so drunk that they have to lean against (侧) Rosa Luxemburg (亻) to not fall down.