ⲁⲃⲓⲛ O nn pl, meaning unknown: AZ 21 105 ⲛⲉϩⲥⲉ ⲡϣⲟⲓ ⲛⲥⲁⲧϣⲁⲡϣⲓ…ⲛⲉϩⲥⲓ ⲛⲑⲱⲩⲑ ⲛⲥⲁⲛⲁⲃⲓⲛ (cf ib 38 92).