呱

gu̅ = gu + Ø1

crying sound of child

呱 character breakdown

呱
- 口
- 瓜
  - 厶
  - ⺁
    - 丿
  - ㇏

kǒu = k + ou3

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

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

瓜

gua̅ = gu + a1

melon / gourd / squash

瓜 = ⺁ + 厶 + ㇏ : Gitta Giraffe (gu) inspects the banana trees (⺁) in front of the ashram (a1) every day. One day, she found a very strange banana: she looked at it, and it looked like a melon (瓜). She then poked it with her finger (㇏). It felt like a melon! She then sniffed at it with her fake nose (厶). The banana smelled like a melon (瓜)! What a strange banana, Gitta thought to herself.