食
=
亽
+
艮
:
Mnemonic symbol: a bag of instant noodles.
Sherlock Holmes (sh) went camping in the space station's bathroom (Ø2). As foodstuffs he brought chewing gum (艮) and instant noodles (食), but he forgot to bring his gas stove, so in front of his tipi (亽) He is eating chewing gums all day.
欲
=
欠
+
谷
:
Yu the Great (yu) suddenly feels a strong desire (欲) and appetite (欲) to eat popcorn (谷). As she opens the secret drawer in the space station's bathroom (Ø4) though she finds her popcorn gone and instead an IOU note (欠).