㐫
=
亠
+
凶
:
Mnemonic symbol: the Chinese demon 白骨精 (Báigǔjīng), a skeleton demoness. Baigujing (㐫) wants to seduce Xu Xian (xu) in front of the engine ((e)ng1). In order not to reveal her true identity, she hides her skull under a demon mask (凶) and a beret (亠).
土
=
十
+
一
:
Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.