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).
尼
=
匕
+
尸
:
Nefertiti is trying to escape the space station, because she is being haunted by a ghost. She's already at the entrance, where she meets the Bhuddist nun, which immediately attacks the ghost with a large ladle.