2 X 4
2 X 6
2 X 9
3 X 5
3 X 7
3 X 9
4 X 4
4 X 7
4 X 9
5 X 7
5 X 8
5 X 9
6 X 8
7 X 7
7 X 8
8 X 8
8 X 9
9 X 9