生殖器官

生 = 牛 + 一 : Mnemonic symbol: a cradle.

Sherlock Holmes (sh) comforts a crying baby bull (牛) in a cradle (生) in front of the engine ((e)ng1) and plays him a tune on a flute (一).

殖 = 歹 + 直 : The wicked witch (歹) asks James II of England (zh) to reproduce (殖) with her just inside the space station's bathroom (Ø2), but James II of England will only agree if she'll be straight edge (直).

器 = 㗊 + 犬 : The Saint Bernard dog has been practising playing his bagpipe all day in the space station's bathroom. The Queen of Hearts is so annoyed that finally she grabbed a screwdriver as utensil to end this torture.

官 = 㠯 + 宀 : Mnemonic symbol: to symbolize the bureaucracy involved in every governmental system I'll use a folder.

官 = 㠯 + 宀 : Gitta Giraffe just graduated from anthill, and standing in front of it, still wearing her graduation cap, she's ready to assume her post as government official. She already has a folder under each arm and is wearing big safety glasses (be safe at work!).