Over 2 games any team can have 6 points outcomes (0,1,2,3,4,6) - but there are 2 ways of getting 1,3 or 4 points (I.e. 1 pt = either DL or LD). So there are 9 permutations before you get to GD / GS issues. That's just for one team, say BHA. Burnley has the same 9 independent outcomes, however...