וְאֶת־הַחִתִּ֥י וְאֶת־הַפְּרִזִּ֖י וְאֶת־הָרְפָאִֽים׃
赫人、比利洗人、利乏音人、
Rashi
ואת הרפאים AND THE REPHAIM — the land Og King of Bashan, of which it said, (Deuteronomy 3:13) “All that (Bashan) is called the land of the Rephaim”.
Radak
ואת החתי, the omission of the חוי may mean that that tribe was identical with the רפאים.
Chizkuni
ואת הרפאים, another word for the tribe known as Chivvi, mentioned as one of the seven Canaanite tribes.