εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
P. and V. ἄφωνος, V. ἄφθεγκτος, ἄφθογγος, ἄναυδος, ἀφώνητος, ἀπόφθεγκτος; see dumb, silent.