一则以喜，一则以忧

Maud Younger (y) forgot her keys to the space station (Ø1), all she brought outside was her flute (一). She has no choice but to crash the door with the giant flute.

则 = 刂 + 贝 : Mnemonic symbol: 武则天 (Wu Zetian), the only female emperor of China in more than four millennia. It makes sense because for sure she wrote many official statements, for which 则 is the classifier.

则 = 刂 + 贝 : Just inside the elevator's kitchen, Zorro found a crab. He already has a kitchen knife in his hand and wants to kill and eat the crab, but Wu Zetian quickly writes an official rule that forbids the eating of crabs, much to Zorro's disappointment.

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.

喜 = 壴 + 口 : Mnemonic symbol: 喜宴, wedding banquet.

Marie Curie is overjoyed to announce her marriage in the space station. She improvised a wedding banquet with nothing but mandarins and notifies everyone by beating a large drum very quickly with two mandarins.

忧 = 尤 + 忄 : Maud Younger (y) received a medal (尤) for her nice fail (忄) in front of the outhouse (ou1), but now she's worried (忧) that someone will steal her flail since now it is so famous.