Undefined Character (U+1E8F8)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞣸` `𞣸`
UTF-8 Encoding:	`0xF0 0x9E 0xA3 0xB8`
UTF-16 Encoding:	`0xD83A 0xDCF8`
UTF-32 Encoding:	`0x0001E8F8`

References