奇貨可居

奇 = 可 + 大 : Mnemonic symbol: cappuccino (卡布奇诺)

The Queen of Hearts (qi) craves a cappuccino (奇) just inside the entrance of the space station (Ø2), and the robot (大) has one in his robot hands. He will give it to the Queen of Hearts under one weird (奇) condition: she shall prove that she's worth to receive the cappuccino by sitting on a bed of nails (可). The Queen agrees and pretends to be in much vain, but really she's just pretending since there is no gravity in the space station.

货 = 化 + 贝 : Helga Horse (hu) is using a transformer (化) to roast crabs (贝) in the observatory's bathroom (o4). Later she wants to sell the roasted crabs (货) as commodity (货) for money (货).

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.

居 = 古 + 尸 : Mnemonic symbol: 寄居蟹, ji4ju1xie4, a hermite crab.

A ghost is haunting Zeus and the hermite crab in front of the space station. While the hermite crab is able to retreat into the cloister it uses as shell, Zeus can only float away in horror.