自由降落

自 = 丶 + 目 : Mnemonic symbol: a hand mirror, which someone uses to look at themselves.

The Eye of Providence (目) is looking at itself (自) in a handheld mirror (自) in the space station's bathroom (Ø4). It think it's indeed looking very good, since Zorro (z) attached a petal (丶) to its eye (目).

由 = 丨 + 曰 : Mnemonic symbol: 自由古巴， a cuba libre. The character 由 itself even looks like a cuba libre.

Maud Younger (y) is taking part in a charity auction in the outhouse's kitchen (ou2). She is auctioning the dinosaur bone (丨) next to her and is speaking into a microphone (曰). In the other hand she is holding a cuba libre (由), and she is already quite drunk.

降 = 夅 + 阝 : Shortly after Jin Xing descended down from the heavens to visit Joan of Arc in the anglepod's bathroom, the Pope follows and descends from another heaven. He messes up the landing though and lands on Jin Xing, which in turn falls on the Joan of Arc.

落 = 艹 + 洛 : Lenny Lemur tried to grow some artificial lawn in the observatory's bathroom, but to no avail. He even put up a star for the light and provided bottled water, but the artificial lawn didn't grow. To make matters worse, the star is about to fall into the bathroom's well.