9 x 6
10 x 6*
10 x 7
10 x 8 x 6
12 x 8*
12 x 9 x 6
14 x 8*
14 x 10 x 6*
16 x 12 x 8*
16 x 12 x 9 x 6
18 x 14 x 10 x 6*
20 x 16 x 12 x 9 x 6