无可置疑

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.

可 = 丁 + 口 : Karl Marx (k) is challenging his abilities (可) in the elevator's living room (e3). He tries to force a nail (丁) into a mandarin (口), just by using his head. On top of that he tries to do so one thousand times, in order to create a bed of nails (mnemonic symbol for 可).

可 = 丁 + 口 : Alternative mnemonic symbol: kebab, from the pronunciation "ke". Karl Marx (k) is preparing a kebab (mnemonic symbol for 可) in the elevator's living room (e3). He also skewers mandarins (口) on the long steel nails (丁) and will only allow (可) his guests to eat the rest of the kebab if they eat their mandarins first.

置 = 直 + 罒 : James II of England (zh) decided to go straight edge (直) and installs (置) his new seat (置) in the space station's bathroom (Ø4). He's going to use a fishing net (罒) as a kind of spartan, straight-edge hammock.

疑 = 匕 + 又 + 疋 + 矢 : (Ø2)Maud Younger (y) found a hole in her hat and is furious. Just inside the space station's entrance (Ø2) she lines up her suspects (疑). First she suspects a ladle (匕), but it is not sharp enough. Then she inspects a boxing glove (又), but it is too large for the hole. Next she inspects a gumboot (疋), but it is not strong enough to make a hole. Finally she finds a dart (矢) and knows already: this is her suspect (疑) which caused the hole.