As character names:

U+AB66 LATIN SMALL LETTER DZ DIGRAPH WITH RETROFLEX HOOK character (ꭦ)

As raw characters:

ꭦ

As a string of HTML entities:

ꭦ

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 173, hex 0xAD, octal \255, binary 10101101
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 166, hex 0xA6, octal \246, binary 10100110
This is continuation byte 3, expecting 0 more.

U+AB66	LATIN SMALL LETTER DZ DIGRAPH WITH RETROFLEX HOOK
	* voiced retroflex affricate
	x (latin small letter z with retroflex hook - 0290)
	x (latin small letter dz digraph - 02A3)