Bia - Goddess of force
Bellerophon - Hero who defeated the chimera, befriended Pegasus (Also tried to fly to Mount Olympus, Zeus didn't approve so he sent a fly to bite Pegasus, and Pegasus yeeted Bellerophon off his back in pain.)
Boreas - One of the wind gods
Brizo - Protector of mariners
Briomartis - Goddess of nets
Tell me if I forgot anyone/anything