宀
=
丶
+
冖
:
Mnemonic symbol: the strokes of this character look like a graduation cap (宀).
Marilyn Monroe (mi-) wants to cook in the anthill's kitchen (an2) but she's afraid of the ants. That's why she builds a bunker: she uses a saucepan lid (冖) as the base, constructs pillars out of petals (丶) and uses a graduation cap (宀) as the roof.
苋
=
艹
+
见
:
Marie Curie (xi) steals some amaranth (苋) plants from the anthill's bathroom (an4) and replaces them with artificial lawn (艹) to hide the crime. She doesn't know that there are security cameras (见) though.