自來水

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).

來 = 从 + 木 : Mnemonic symbol: mailwoman. Sir Lancelot (l) is visiting the mailwoman (來) in the airplane's kitchen (ai2). As a gift, he brought a Christmas tree (木) decorated with rubber chicken (从).

来 = 丷 + 未 : Mnemonic symbol: mailwoman. Lancelot (l) is super happy that his inflatable crocodile (丷) and live size Ai Weiwei (未) puppet finally arrived (来). The mailwoman (来) delivered them straight to the kitchen of the airplane (ai2).

水 = ㇇ + 亅 + 丿 + ㇏ : Sheldon Shrimp just climbed the Eiffel Tower. He's really thirsty, so he's glad to find a water fountain. After he quenches his thirst, he also finds a snack: A banana is swimming in the water. He never ate a banana before, so he tries a mix of different methods: Putting on a fake beak to pick on the banana, holding it with a finger and peeling it with a crowbar.