apt'sqa'maq -- apt'sqa'maq -- I lock him/her out, I lock him/her in -- (first person singular animate subject, third person singular animate object)
apt'sqa'mul -- apt'sqa'mul -- I lock you out, I lock you in -- (first person singular animate subject, second person singular animate object)
apt'sqa'muit -- apt'sqa'muit -- He/she locks me out, he/she locks me in -- (third person singular animate subject, first person singular animate object)