Ai
Genesis 12:8
And he removeth from thence towards a mountain at the east of Beth-El, and stretcheth out the tent (Beth-El at the west, and Hai at the east), and he buildeth there an altar to Jehovah, and preacheth in the name of Jehovah.
Hai
Joshua 7:2
And Joshua sendeth men from Jericho to Ai, which [is] near Beth-Aven, on the east of Bethel, and speaketh unto them, saying, 'Go up and spy the land;' and the men go up and spy Ai,
Joshua 8:9
And Joshua sendeth them away, and they go unto the ambush, and abide between Bethel and Ai, on the west of Ai; and Joshua lodgeth on that night in the midst of the people.
Joshua 8:17
and there hath not been left a man in Ai and Bethel who hath not gone out after Israel, and they leave the city open, and pursue after Israel.
Nehemiah 7:33
Men of the other Nebo: fifty and two.