Personally I feel 15 is too low, 16 is really the minimum starting score to avoid frustrations.
As such, 16, 14, 14, 12, 11, 8 would be a great all around option that doesn't limit feat choices but still runs a playable character.
If you don't want any 8's.....
16, 14, 12, 12, 12, 10 or 16...