倍
=
亻
+
咅
:
Beelzebub (b) made seven times (倍) three poo-poos (咅) in the Eiffel Tower's bathroom (ei4) and challenges Rosa Luxemburg (亻) to tell him how many poo-poos there are. Rosa should take great care: every time she gives the wrong answer Beelzebub doubles (倍) the number of the poo-poos.
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).
咅
=
口
+
立
:
Pinocchio (p) ate too many mandarins (口), so he has to make a big poo-poo (咅) into a vase (立) in the outhouse (ou3). It is very stinky, so all other visitors exclaim "bah!" (咅) as they pass the vase.