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Jyutping hei1
Pinyin āi

Definitions (Unihan)
  1. amuse
  2. Cangjie Input
    VIOK

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Jyutping oi1
Pinyin āi

Definitions (Wiktionary)
  1. character
    A term of respect for an elderly woman.
  2. character
    A dialectal term used to address one's paternal grandmother.

娭 [-]

Jyutping
Pinyin āi

Definitions (CC-CEDICT)
  1. see 娭姐[ai1 jie3], father's mother
  2. granny (dialect)
  3. respectful form of address for older lady