9 bits, 2 taps: 1
9 5

9 bits, 4 taps: 8
9 8 7 2
9 8 6 5
9 8 5 4
9 8 5 1
9 8 4 2
9 7 6 4
9 7 5 2
9 6 5 3

9 bits, 6 taps: 14
9 8 7 6 5 3
9 8 7 6 5 1
9 8 7 6 4 3
9 8 7 6 4 2
9 8 7 6 3 2
9 8 7 6 3 1
9 8 7 6 2 1
9 8 7 5 4 3
9 8 7 5 4 2
9 8 6 5 4 1
9 8 6 5 3 2
9 8 6 5 3 1
9 7 6 5 4 3
9 7 6 5 4 2

9 bits, 8 taps: 1
9 8 7 6 5 4 3 1