3 x 5
3 x 6
3 x 7
3 x 8
3 x 9
4 x 7
4 x 8
4 x 9
6 x 6
6 x 7
6 x 8
6 x 9
7 x 5
7 x 6
7 x 7
7 x 8
7 x 9
8 x 5
8 x 6
8 x 7
8 x 8
8 x 9
9 x 6
9 x 7
9 x 8
9 x 9
