山丘

山 = 丨 + 凵 : Mnemonic symbol: 山 looks like the tip of a fork. Sherlock Holmes (sh) is climbing a mountain (山) in front of the anthill (an1). He uses a dinosaur bone (〡) as walking stick, and to have better grip he attached a fork (山) to its tip. Unfortunately he accidentally sticks the fork into a receptacle (凵) on the ground of the mountain and gets shocked.

丘 = 丿 + 丨 + 工 : In front of the outhouse, the Queen of Hearts set up a mound for her relatives. She also put a gate in front of it where the two pillars are a banana and a dinosaur bone respectively, and the horizontal beam is a steel beam.