ϣⲉⲡⲁϣ S, meaning unknown: Bal frag of list ⲃ[ⲓⲣ ⲥⲛⲁⲩ ⲛϭⲁⲡⲓϫⲟⲩ, ]ⲁⲙ ⲛϣ., ⲥⲛ]ⲧⲉ ⲛⲥⲟⲓ. Prob from ϣⲱⲡ vb.