垃圾電郵

垃 = 土 + 立 : Lancelot (l) unearthed some radioactive waste (垃) in front of the ashram (a1). He puts it into a vase (立) and closes the vase by filling it up with earth (土). Then he shoots it into space - someone up there will surely know what to do with it.

圾 = 及 + 土 : Joan of Arc (ji) and Yuwen Huaji (及) need to get rid of the space station's radioactive waste (圾). In front of the space station (Ø1) they decide to put it into a ball of mud (土) and send it down to earth - someone down there will surely know how to handle it.

电 = 乚 + 曰 : Dorothy Gale (di) is looking for a wall plug for her charger (mnemonic symbol for 电) in the anthill's bathroom (an4). She's digging up the whole place with a shovel (乚), but instead of a wall plug she finds a microphone (曰).

邮 = 由 + 阝 : Maud Younger (y) received a postcard (邮) in the outhouse's kitchen (ou2). The postcard is from the imperator (阝) and shows himself enjoying a cuba libre (由). On the postcard he invites Maud to visit him in his holiday lodge.