and those are just the ones that correspond to english words.
If every 2/3 letter combination were available as a tld, you would have 320,797,152 3-letter domains . . .
I'd like to see some kind of analysis of how many WORD.xx domains are actually in use, just to get an idea of whether the cyber-squatting market is due for a correction.
Guess they'll be going away more quickly now...