As character names:

U+064A ARABIC LETTER YEH character (ي)

As raw characters:

ي

As a string of HTML entities:

ي

Decoder output:

Byte number 1 is decimal 224, hex 0xE0, octal \340, binary 11100000
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 2, expecting 0 more.

U+064A	ARABIC LETTER YEH
	* loses its dots when used in combination with 0654
	* retains its dots when used in combination with other combining marks
	x (arabic letter yeh with two dots below and hamza above - 08A8)