2d1: 2 2d2: 2 3 3 4 2d3: 2 3 3 4 4 4 5 5 6 2d4: 2 3 3 4 4 4 5 5 5 5 6 6 6 7 7 8 2d5: 2 3 3 4 4 4 5 5 5 5 6 6 6 6 6 7 7 7 7 8 8 8 9 9 10 2d6: 2 3 3 4 4 4 5 5 5 5 6 6 6 6 6 7 7 7 7 7 7 8 8 8 8 8 9 9 9 9 10 10 10 11 11 12