ἂν βούλησθε ἀκούειν καί μοι περιουσία ᾖ τοῦ ὕδατος → if you care to hear and if the water in the water-clock holds out, if you care to hear and if I have time enough for speaking
ὁποῖος, ὁπποῖος, ὁκοῖος, ὁπόστος, πόστος, πότερος, κότερος