What are all the new race class combinations in Cataclysm

New race: Worgen
Can become Druids, Warriors, Rogues, Priests, Mages, Druid, Hunters, Warlocks and Death Knights

New race: Goblin
Can become Shamans, Warriors, Rogues, Mages, Warlocks, Priests, Hunters and Death Knights

Human: Hunter
Dwarf: Shaman, Mage, possibly Warlock (unconfirmed)
Night Elf: Mage
Gnome: Priest

Orc: Mage
Undead: Hunter
Tauren: Paladin, Priest
Troll: Druid, possibly Warlock (unconfirmed)
Blood Elf: Warrior

Note that Warlocks available to Dwarves and Trolls is not confirmed at this time, and might be a Beta bug instead. No further information about this is currently available.