Lowercase Cyrillic yeru (ы) with two dots above, an umlauted ы used in Hill Mari writing.
U+04F8CYRILLIC CAPITAL LETTER YERU WITH DIAERESISU+04FACYRILLIC CAPITAL LETTER GHE WITH STROKE AND HOOKU+04F7CYRILLIC SMALL LETTER GHE WITH DESCENDERU+04FBCYRILLIC SMALL LETTER GHE WITH STROKE AND HOOKU+04F6CYRILLIC CAPITAL LETTER GHE WITH DESCENDERU+04FCCYRILLIC CAPITAL LETTER HA WITH HOOKU+04F5CYRILLIC SMALL LETTER CHE WITH DIAERESISU+04FDCYRILLIC SMALL LETTER HA WITH HOOKU+04F4CYRILLIC CAPITAL LETTER CHE WITH DIAERESISU+04FECYRILLIC CAPITAL LETTER HA WITH STROKEU+04F3CYRILLIC SMALL LETTER U WITH DOUBLE ACUTEU+04FFCYRILLIC SMALL LETTER HA WITH STROKE256 characters in the Cyrillic Unicode block, from number 250.
U+04F9CYRILLIC SMALL LETTER YERU WITH DIAERESISU+04FACYRILLIC CAPITAL LETTER GHE WITH STROKE AND HOOKU+04FBCYRILLIC SMALL LETTER GHE WITH STROKE AND HOOKU+04FCCYRILLIC CAPITAL LETTER HA WITH HOOKU+04FDCYRILLIC SMALL LETTER HA WITH HOOKU+04FECYRILLIC CAPITAL LETTER HA WITH STROKEU+04FFCYRILLIC SMALL LETTER HA WITH STROKE