Complex sentence: The Ancient Greek diphthongs, and are pronounced, and respectively in voicing environments in Modern Greek (or alternatively as, and respectively in devoicing environments) The more ancient combination or can occur in ancient especially in Ionic texts or in personal names.
Split into simpler sentences: The Ancient Greek diphthongs, and are pronounced, and in Modern Greek. Additionally, the more ancient combination or can occur in ancient especially in Ionic texts or in personal names.