Undefined Character (U+1E599)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞖙` `𞖙`
UTF-8 Encoding:	`0xF0 0x9E 0x96 0x99`
UTF-16 Encoding:	`0xD839 0xDD99`
UTF-32 Encoding:	`0x0001E599`

References