略識之無

略 = 各 + 田 : Loki (lü) wants to play a prank on the elevator's visitors. In the bathroom (e4) he plants a field (田) of stars (各) around the toilet. His plan (略) is that the visitors will then have to step on many spiky stars if they want to reach the toilet.

识 = 只 + 讠 : Sherlock Holmes (sh) is inspecting the new arrival at the entrance of the space station (Ø2). It's a big advertising column (讠) with a cuttlefish (只) on it, to broaden the space station's inhabitant's knowledge (识).

之 = 丶 + Z : Mnemonic symbol: Sooo sleepy... "zZz" (the character looks like a "Z"). James II of England (zh) fell asleep in front of the space station (Ø1). He sleeps on a big petal leaf (丶), making loud "zZz" (之) sounds.

无 = 一 + 𠂇 + 乚 : Mnemonic symbol: the philosopher Diogenes, who has nothing and wants nothing.

无 = 一 + 𠂇 + 乚 : Just inside the space station's entrance, Diogenes is annoyed by Willy Walrus, who's playing his flute. Diogenes just wants a peaceful time without being disturbed, so he cuts the flute into pieces with a pair of scissors, and threatens to beat Willy Walrus with a shovel should he annoy Diogenes again.

Mnemonic symbol: 無爲, wu2 wei2, the state of non-doing after having attained complete harmony with the Tao.

Willy Walrus (w) has attained Wu Wei (無) just inside the space station's entrance (Ø2), while from the outside it may seem like he is napping.