傴

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).

區 = 匚 + 品 : Cupid receives a metal box in front of the space station. He opens it and finds a road sign with a pyramid on it. Clever as he is, he derives that it must have been sent to him from the region of Egypt.

区 = 乂 + 匚 : Mnemonic symbol: An alien from Area 51.

区 = 乂 + 匚 : Cupid is chilling in front of the space station, when an alien from Area 51 flies by and gives him a metal box. Unfortunately, even using pliers, Cupid is too weak to open it.