忘其所以

忘 = 亡 + 心 : Willy Walrus (w) will never forget (忘) his love who is buried in the anglepod's bathroom (ang4). There is not a single day when Willy forgets (忘) to bring his heart (心) and leave it right next to his love's tombstone (亡).

其 = 目 + 八 : Mnemonic symbol: the shape of 其 looks like a watchtower. The Queen of Hearts (qi) is on lookout on the watchtower (其) in the space station's kitchen (Ø2). The Eye of Providence (目) helps her to look out for intruders. They also spread some eight balls (八) for possible intruders to trip on.

所 = 戶 + 斤 : Susan Saint Bernard and her whole family are weight lifting in the place of the observatory. They are all together lifting one barbell.

㠯 = 尸 + 口 : Mnemonic symbol: 㠯 looks like a cool pair of safety goggles.

A ghost (尸) has been hiding from Maud Younger (Ø3) in a mandarin (口). Maud finds the mandarin in the space station's living room (Ø3) and squeezes the ghost out, and in order to (㠯) be protected from the mandarin juice flying all around in zero gravity she is wearing safety goggles (㠯).

以 = 人 + 厶 : So this is Neanderthal Man with a fake nose. He has bushy eyebrows, so my symbol for 以 is going to be one of these fake noses that come with additional glasses, eyebrows, and a moustache: Groucho glasses.

以 = 人 + 厶 : Maud Younger and Neanderthal Man prepared some costumes for Halloween in the space station. Neanderthal Man created a big fake nose, while Maud Younger made a pair of Groucho glasses.