Lowercase Cyrillic a with two dots (umlaut) above, used in Mari, Khanty and other minority alphabets.
U+04D2CYRILLIC CAPITAL LETTER A WITH DIAERESISU+04D4CYRILLIC CAPITAL LIGATURE A IEU+04D1CYRILLIC SMALL LETTER A WITH BREVEU+04D5CYRILLIC SMALL LIGATURE A IEU+04D0CYRILLIC CAPITAL LETTER A WITH BREVEU+04D6CYRILLIC CAPITAL LETTER IE WITH BREVEU+04CFCYRILLIC SMALL LETTER PALOCHKAU+04D7CYRILLIC SMALL LETTER IE WITH BREVEU+04CECYRILLIC SMALL LETTER EM WITH TAILU+04D8CYRILLIC CAPITAL LETTER SCHWAU+04CDCYRILLIC CAPITAL LETTER EM WITH TAILU+04D9CYRILLIC SMALL LETTER SCHWA256 characters in the Cyrillic Unicode block, from number 212.
U+04D3CYRILLIC SMALL LETTER A WITH DIAERESISU+04D4CYRILLIC CAPITAL LIGATURE A IEU+04D5CYRILLIC SMALL LIGATURE A IEU+04D6CYRILLIC CAPITAL LETTER IE WITH BREVEU+04D7CYRILLIC SMALL LETTER IE WITH BREVEU+04D8CYRILLIC CAPITAL LETTER SCHWAU+04D9CYRILLIC SMALL LETTER SCHWAU+04DACYRILLIC CAPITAL LETTER SCHWA WITH DIAERESISU+04DBCYRILLIC SMALL LETTER SCHWA WITH DIAERESISU+04DCCYRILLIC CAPITAL LETTER ZHE WITH DIAERESISU+04DDCYRILLIC SMALL LETTER ZHE WITH DIAERESISU+04DECYRILLIC CAPITAL LETTER ZE WITH DIAERESISU+04DFCYRILLIC SMALL LETTER ZE WITH DIAERESISU+04E0CYRILLIC CAPITAL LETTER ABKHASIAN DZEU+04E1CYRILLIC SMALL LETTER ABKHASIAN DZEU+04E2CYRILLIC CAPITAL LETTER I WITH MACRONU+04E3CYRILLIC SMALL LETTER I WITH MACRONU+04E4CYRILLIC CAPITAL LETTER I WITH DIAERESISU+04E5CYRILLIC SMALL LETTER I WITH DIAERESISU+04E6CYRILLIC CAPITAL LETTER O WITH DIAERESISU+04E7CYRILLIC SMALL LETTER O WITH DIAERESISU+04E8CYRILLIC CAPITAL LETTER BARRED OU+04E9CYRILLIC SMALL LETTER BARRED OU+04EACYRILLIC CAPITAL LETTER BARRED O WITH DIAERESISU+04EBCYRILLIC SMALL LETTER BARRED O WITH DIAERESISU+04ECCYRILLIC CAPITAL LETTER E WITH DIAERESISU+04EDCYRILLIC SMALL LETTER E WITH DIAERESISU+04EECYRILLIC CAPITAL LETTER U WITH MACRONU+04EFCYRILLIC SMALL LETTER U WITH MACRONU+04F0CYRILLIC CAPITAL LETTER U WITH DIAERESISU+04F1CYRILLIC SMALL LETTER U WITH DIAERESISU+04F2CYRILLIC CAPITAL LETTER U WITH DOUBLE ACUTEU+04F3CYRILLIC SMALL LETTER U WITH DOUBLE ACUTEU+04F4CYRILLIC CAPITAL LETTER CHE WITH DIAERESISU+04F5CYRILLIC SMALL LETTER CHE WITH DIAERESISU+04F6CYRILLIC CAPITAL LETTER GHE WITH DESCENDERU+04F7CYRILLIC SMALL LETTER GHE WITH DESCENDERU+04F8CYRILLIC CAPITAL LETTER YERU WITH DIAERESISU+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