什

什 = 亻 + 十 : Sherlock Holmes (sh) invited Rosa Luxemburg (亻) for a cooking date in the encampment's kitchen ((e)n2). Everything goes well but when they want to dig in suddenly Rosa Luxemburg pulls out a big cross (十) for a mealtime prayer, and Sherlock just goes "what?????" (什)

亻 = 丿 + 丨 : Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.

Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).

十 = 一 + 丨 : Mnemonic symbol: a holy cross. Sherlock Holmes (sh-) is investigating a very strange thing he found in the kitchen of the space station (-2): A big pyramid made of ten (十) crosses (十), which are in turn made out of flutes (一) and dinosaur bones (丨).