不亦乐乎

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

亦 = 亠 + 小 + 丿 : Mnemonic symbol: An also-ran, a very exhausted runner.

亦 = 亠 + 小 + 丿 : The also-ran arrives very late at the space station's bathroom. In fact she arrives so late that Maud Younger who was waiting for her with a daisy fell asleep on a big cozy beret. The also-ran came so late because she ate many bananas on the way.

乐 = ⺁ + 朩 : Mnemonic symbol: a cheerleader

乐 = ⺁ + 朩 : In the elevator's bathroom, the cheerleader is beating Lancelot on the head with a banana tree just when Lancelot isn't watching, and laughing at him cheerfully. The cheerleader sneaked up on Lancelot by popping out of a sewage pipe.

乐 = ⺁ + 朩 : Mnemonic symbol: a cheerleader

乐 = ⺁ + 朩 : In the elevator's bathroom, the cheerleader is beating Lancelot on the head with a banana tree just when Lancelot isn't watching, and laughing at him cheerfully. The cheerleader sneaked up on Lancelot by popping out of a sewage pipe.

乎 = 丿 + 䒑 + 亅 : Helga Horse had too much weed in front of the space station. She thinks that she's eating a banana, but she's just munching on a crowbar. Moreover she's under the impression that she's a chubby and is very astonished.