It may be (ε τυχο). Condition of fourth class (ε and aorist optative of τυγχανω), if it should happen. Common enough idiom. Cf. τυχον in 1. Corinthians 16:6.

Without signification (αφωνον). Old adjective (α privative and φωνη). Without the faculty of speech (1. Corinthians 12:2; Acts 8:32; 2. Peter 2:16).