Capital Y with a small hook above, used in Vietnamese for the asking (hỏi) tone.
U+1EF5LATIN SMALL LETTER Y WITH DOT BELOWU+1EF7LATIN SMALL LETTER Y WITH HOOK ABOVEU+1EF4LATIN CAPITAL LETTER Y WITH DOT BELOWU+1EF8LATIN CAPITAL LETTER Y WITH TILDEU+1EF3LATIN SMALL LETTER Y WITH GRAVEU+1EF9LATIN SMALL LETTER Y WITH TILDEU+1EF2LATIN CAPITAL LETTER Y WITH GRAVEU+1EFALATIN CAPITAL LETTER MIDDLE-WELSH LLU+1EF1LATIN SMALL LETTER U WITH HORN AND DOT BELOWU+1EFBLATIN SMALL LETTER MIDDLE-WELSH LLU+1EF0LATIN CAPITAL LETTER U WITH HORN AND DOT BELOWU+1EFCLATIN CAPITAL LETTER MIDDLE-WELSH V256 characters in the Latin Extended Additional Unicode block, from number 247.
U+1EF6LATIN CAPITAL LETTER Y WITH HOOK ABOVEU+1EF7LATIN SMALL LETTER Y WITH HOOK ABOVEU+1EF8LATIN CAPITAL LETTER Y WITH TILDEU+1EF9LATIN SMALL LETTER Y WITH TILDEU+1EFALATIN CAPITAL LETTER MIDDLE-WELSH LLU+1EFBLATIN SMALL LETTER MIDDLE-WELSH LLU+1EFCLATIN CAPITAL LETTER MIDDLE-WELSH VU+1EFDLATIN SMALL LETTER MIDDLE-WELSH VU+1EFELATIN CAPITAL LETTER Y WITH LOOPU+1EFFLATIN SMALL LETTER Y WITH LOOP