皆理

Reconstruction notes
The second character is a well-established Old Korean phonogram for both and.

The first character also appears to be phonogramic, but its value is disputed. Both and Nam Pung-hyeon have recently reconstructed  on the strength of the Middle Korean hun reading  for the corresponding Chinese character, taking the character to be a semantically adapted phonogram. Vovin also points to 🇨🇬 as a potential loan from Korean.