Tolong jelaskan mengenai doubled Ꚙ/ꚙ: dari O (Kiril)

CYRILLIC CAPITAL LETTER DOUBLE O: U+A698

CYRILLIC SMALL LETTER DOUBLE O: U+A699

CYRILLIC CAPITAL LETTER MONOCULAR O: U+A668

CYRILLIC SMALL LETTER MONOCULAR O: U+A669

CYRILLIC CAPITAL LETTER BINOCULAR O: U+A66A

CYRILLIC SMALL LETTER BINOCULAR O: U+A66B

CYRILLIC CAPITAL LETTER DOUBLE MONOCULAR O: U+A66C

CYRILLIC SMALL LETTER DOUBLE MONOCULAR O: U+A66D

CYRILLIC LETTER MULTIOCULAR O: U+A66E

combining O for Church Slavonic abbreviations (as  =  '(Holy) Trinity'):

COMBINING CYRILLIC LETTER O: 2DEA