唧

ji̅ = ji + Ø1

(onom.) to pump (water)

唧 character breakdown

唧
- 即
  - 卩
    - 丨
    - ㇆
      - 一
      - 亅
  - 艮
    - 日
      - 一
      - 囗
    - 长
      - 丆
        
        一
        
        丿
      - 丿
      - 乛
- 口

jí = ji + Ø2

namely / that is / i.e. / prompt / at once / at present / even if / prompted (by the occasion) / to approach / to come into contact / to assume (office) / to draw near

即 = 卩 + 艮 : Mnemonic symbol from 即插即用, "plug and play": a gaming console controller

即 = 卩 + 艮 : Just inside the entrance to the space station, Joan of Arc babysits the baby seal. Joan of Arc blows big bubbles of chewing gum, and to one of them she attached a controller. With the controller the baby seal can control in which direction the bubble floats, which it does promptly.

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).