内啡素

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.

啡 = 口 + 非 : Frankenstein's Monster (f) holds a negative (非) into the light in front of the Eiffel Tower (ei1) and discovers the most beautiful mandarin (口) he has ever seen. It is so wonderful it makes is endorphin (啡) (内啡素, nèi fe̅i sù) go all crazy.

素 = 龶 + 糸 : Susan Saint Bernard (su) has decided to become a vegan (素) and to let everyone know. In the space station's bathroom (Ø4) she manufactures a fancy headdress (龶) in the form of a vegan flower (素) out of her own spider silk (糸) so that everyone who sees her instantly knows that she's vegan (素).