前臼齿

前 = 䒑 + 刖 : The Queen of Hearts is smoking some weed just inside the anthill's kitchen. She's so high that she thinks the lamp in front of her is the moon which wants to stab her with a kitchen knife.

前 = 䒑 + 刖 : Mnemonic symbol: a front panel.

Joan of Arc (ji) uses a mortar (臼) to process some holy herbs in the outhouse's bathroom (ou4).

齿 = 止 + 凵 + 人 : Charlie Chaplin (ch) has an aching tooth (齿), and Neanderthal Man (人) is about to help him take it out using an electrical barrier (止) in the space station (Ø3). They attached the barrier to the tooth and as Neanderthal Man will plug it into the receptacle (凵), the barrier will pull out the tooth.