ⲟ, 15th letter of alphabet, called ⲟⲩ S (My 74, P 44 124), ⲟⲩ, ⲟ B (K 1, Stern p 418) اوو, ااو (Stern l c, P 43 244). As numeral BF, rarely S = seventy (ϣϥⲉ). On relation to hierogl. half-consonants & vowels v Sethe Verbum 1 40–43, Sdff 63. Dialectal equivalents: S ⲟⲉⲓⲕ AF ⲁⲓⲕ B ⲱⲓⲕ, SB ⲁϩⲟⲙ AF -ⲁⲙ, SB ⲉⲃⲟⲗ AF -ⲁⲗ, B ϭⲟϩ SAF ϫⲱϩ, S ⲥⲟⲟⲩⲛ AF ⲥⲁⲩ- B ⲥⲱ-, SAB ⲧⲁϣⲟ F -ⲁ. Doubled ⲟ S = single B, as ⲉⲗⲟⲟⲗⲉ ⲁⲗⲟⲗⲓ, ⲥⲟⲟϩⲉ ⲥⲟϩⲓ. Often doubled in Esne-Edfu texts S, as ⲉⲓⲟⲟⲧⲉ (BMis 333), ϩⲓⲟⲟⲙⲉ (ib 349), ϩⲟⲟⲥⲉ (ib 473), ϫⲟⲟⲥⲉ (BMar 57). S ⲁⲩ, ⲟⲩ = A ⲟ, as ⲙⲙⲁⲩ, ⲛⲁⲩ, ⲟⲩ. In Theban S (v Ep 1 239) ⲟ often for ⲁ, as ⲕⲟ-, ⲙⲟϩ-, ϩⲟⲡ; for ⲟⲩ, as ⲉϩⲟⲛ, ⲟ (art); for ⲟⲩⲟ-, as ⲟⲛϩ, ⲟϫ.

In Eccl F (Berl) ⲟ for ĕ: ⲕⲱⲗⲟⲙ, ⲥⲱⲧⲟⲙ.