Πέτρος 
Petros 
οὖν 
Oun 
ἀρνέομαι 
Arneomai 
πάλιν 
Palin 
and
εὐθέως 
Eutheos 
ἀλέκτωρ 
Alektor 
the cock

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain