6 Tribes listed three times in Exodus to be wiped out

Exodus 23:23
My angel will go ahead of you and bring you into the land of

the Amorites,
Hittites,
Perizzites,
Canaanites,
Hivites
and Jebusites,

and I will wipe them out.

Exodus 33:2
I will send an angel before you and drive out

the Canaanites,
Amorites,
Hittites,
Perizzites,
Hivites
and Jebusites.

Exodus 34:11
Obey what I command you today. I will drive out before you

the Amorites,
Canaanites,
Hittites,
Perizzites,
Hivites
and Jebusites. 

6 Tribes listed twice in Exodus 3

Exodus 3:8 
So I have come down to rescue them from the hand of the Egyptians and to bring them up out of that land into a good and spacious land, a land flowing with milk and honey - the home of

the Canaanites,
Hittites,
Amorites,
Perizzites,
Hivites
and Jebusites.

Exodus 3:17 
And I have promised to bring you up out of your misery in Egypt into the land of -

the Canaanites,
Hittites,
Amorites,
Perizzites,
Hivites
and Jebusites.

 - a land flowing with milk and honey.'