Undefined Character (U+11B88)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑮈` `𑮈`
UTF-8 Encoding:	`0xF0 0x91 0xAE 0x88`
UTF-16 Encoding:	`0xD806 0xDF88`
UTF-32 Encoding:	`0x00011B88`

References