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.
吐
=
口
+
土
:
Tommy Turtle ate to many mandarins in the space station. He can't help but vomit until he produced a muddy pile of mandarins in the bathroom.
哺
=
口
+
甫
:
When Bruno Bear (bu) was still a baby, Ivan Pavlov (甫) raised him up in the space station (Ø3) to later do experiments on him. In order to be able to breast feed (哺) Bruno Bear, Ivan cut a mandarin (口) into two halves and attached the two halves to his chest.