1-2-3-4-6      1

1-2-3-5-6
1-2-4-5-6
1-3-4-5-6

1-2-3-4-7      5

1-2-3-5-7
1-2-4-5-7
1-3-4-5-7

1-2-3-6-7
1-2-4-6-7     10
1-3-4-6-7
2-3-4-6-7
1-2-5-6-7
1-3-5-6-7
2-3-5-6-7     15
1-4-5-6-7
2-4-5-6-7     17

1-2-3-4-8

1-2-3-5-8
1-2-4-5-8     20
1-3-4-5-8
2-3-4-5-8

1-2-3-6-8
1-2-4-6-8
1-3-4-6-8     25
2-3-4-6-8
1-2-5-6-8
1-3-5-6-8
2-3-5-6-8
1-4-5-6-8     30
2-4-5-6-8
3-4-5-6-8

1-2-3-7-8
1-2-4-7-8
1-3-4-7-8     35
2-3-4-7-8
1-2-5-7-8
1-3-5-7-8
2-3-5-7-8
1-4-5-7-8     40
2-4-5-7-8
3-4-5-7-8
1-2-6-7-8
1-3-6-7-8
2-3-6-7-8     45
1-4-6-7-8
2-4-6-7-8
3-4-6-7-8
1-5-6-7-8
2-5-6-7-8     50
3-5-6-7-8