喇

la̅ = l + a1

(onom.) sound of wind, rain etc

lǎ = l + a3

(phonetic)

喇 = 剌 + 口 : Sir Lancelot (l) made a loudspeaker (喇) for his butt by drilling appropriate holes into a mandarin (口). As he is trying out his new wind instrument (喇) in the ashram (a3) everyone thinks he is a pervert (剌).

喇 character breakdown

喇
- 剌
  - 刂
    - 丨
    - 亅
  - 束
    - 口
    - 木
      - 八
        
        丿
        
        ㇏
      - 十
        
        一
        
        丨
- 口

剌

lá = l + a2

to slash

剌

là = l + a4

perverse / unreasonable / absurd

剌 = 刂 + 束 : Sir Lancelot (l) is carving toys with a kitchen knife (刂) and a bundle of firewood (束) in the ashram's bathroom (a4). Passersby think he is quite perverse (剌).

口

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).