古

固 = 古 + 囗 : Gitta Giraffe is building a hard and solid stronghold inside the bathroom's space station. The stronghold consists of a cloister inside a wooden box.

枯 = 古 + 木 : Karl Koala (ku) is exploring a cloister (古) which appeared in front of the space station (Ø1). In the cloister he finds a Christmas tree (木), but it is stone old (古) and already extremely dried up (枯).

舍 = 人 + 舌 : Mnemonic symbol: a pawn who is abandoned to save the king.

Neanderthal Man (人) is so hungry that he opens his mouth, sticks out his tongue (舌) and is about to devour Sherlock Holmes (sh) in the elevator (e3), but Sherlock Holmes acts quickly enough to throw a pawn (舍) onto Neanderthal Man's tongue so that he munches the pawn instead.

胡 = 古 + 月 : Helga Horse (hu) visits the old and wise moon (月) in the space station's kitchen (Ø2). She wants to join his cloister (古), but the moon rejects and says that first she has to get a very long Confucius style mustache (胡) such as his own.

估 = 亻 + 古 : Gitta Giraffe (gu) is working as evaluator in front of the space station (Ø1). She has to evaluate a cloister (古) in which Rosa Luxemburg (亻) is meditating because some investors want to change it into a luxury hotel. Gitta knows that Rosa will not give up the cloister voluntarily and thus estimates (估) that it is not worth to try and evict the cloister.