In Unicode 5.1, the usage ofѹ (U+0479CYRILLIC SMALL LETTER UK) and its upper-case variantѸ (U+0478CYRILLIC CAPITAL LETTER UK) were deprecated. The recommended representation is with the diagraphо (U+043E) +у (U+0443) or the monographꙋ (U+A64BCYRILLIC SMALL LETTER MONOGRAPH UK).