心拙口笨

心 = 乚 + 丶 : Marie Curie (xi) uses a shovel (乚) to dig a hole in front of the encampment ((e)n1). She wants to bury her heart (心). To the side are three petal leaves (丶), with which she wants to cover it afterwards.

拙 = 出 + 扌 : Julian Giant Squid (zhu) wants to use the emergency exit (出) in front of the observatory (o1), but it has to be operated using eight toy claws (扌) at the same time. Julian Giant Squid is just too clumsy (拙) to do so and so he is unable to open the emergency exit door.

Mnemonic symbol: 口 shall be represented by a mandarin. Karl Marx (k-) is enjoying a mandarin in the outhouse's living room (ou3).

笨 = ⺮ + 本 : Beelzebub (b) is very stupid (笨): He wants to get rid of some roots (本) by flushing them through the toilets in the encampment's bathroom ((e)n4), but they get stuck easily and he has to push with a bamboo stick (⺮). It would be much easier to just use the trash can.