OK, I know that the number sequence on ABC's hit show LOST have been discussed to death, and have already been dissected and put in their place mathematically and such, but I had a hypothesis for "cracking the code" as it were, and I was wondering if someone who's brain wasn't fried for the day could help me out.

The first thing that came to mind was my frequent tendency to encode things using the phone-button alphanumeric code, which is as follows:

1 = [nothing; space(?)]
2 = a/b/c
3 = d/e/f
4 = g/h/i
5 = j/k/l
6 = m/n/o
7 = p/q/r/s
8 = t/u/v
9 = w/x/y/z

Now, given that, can some sort of meaningful letter sequence be derived from this number sequence?

4 8 15 16 23 42

-- or possibly --

4 8 1 5 1 6 2 3 4 2

...?

Edit: I realize that any combination of the letters chosen will not make any sense -- but that is because after a certain combination is reached, it will take another round of decryption (or possibly a third, and perhaps even some unscrambling) to make sense out of the sequence.