巳蛇

巳 = 乚 + 口 : A snake. Socrates is terribly afraid of a snake in the space station's bathroom, and he tries to defend himself with a shovel. However the snake already ate a mandarin, and Sokrates is next.

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.