人蛇

人 = 丿 + ㇏ : Mnemonic symbol: Neanderthal Man (人). Robinson Crusoe (r-) is looking for snacks in the encampment's kitchen (-en2) when he suddenly spots Neanderthal Man (人). Neanderthal Man offers him a banana (丿), but Robinson Crusoe doesn't trust the present and pokes it with a finger (㇏).

蛇 = 它 + 虫 : Sherlock Holmes (sh) is investigating the death of a mosquito (虫) in the elevator's kitchen (e2). He took a blood sample from the mosquito and analyzes it with his computer (它). It turns out that the mosquito stung the venomous snake (蛇) which is sleeping across the hall, and the venom killed the mosquito.