I know of 2 (well, 3) arrays:
Elite Array: 15, 14, 13, 12, 10, 8
Non-Elite Array: 13, 12, 11, 10, 9, 8
The third isn't really a listed array, but technically is:
Common/Average Array: 11, 11, 11, 10, 10, 10 (or really, any combination of 10s and 11s. Doesn't have to be equal numbers of both.)