Array
(
    [1] => Array
        (
            [0] => 2
            [1] => 3
            [2] => 4
            [3] => 5
            [4] => 6
            [5] => 7
            [6] => 8
            [7] => 9
            [8] => 10
        )

    [2] => Array
        (
            [0] => 3
            [1] => 4
            [2] => 5
            [3] => 6
            [4] => 7
            [5] => 8
            [6] => 9
            [7] => 10
        )

    [3] => Array
        (
            [0] => 4
            [1] => 5
            [2] => 6
            [3] => 7
            [4] => 8
            [5] => 9
            [6] => 10
        )

    [4] => Array
        (
            [0] => 5
            [1] => 6
            [2] => 7
            [3] => 8
            [4] => 9
            [5] => 10
        )

    [5] => Array
        (
            [0] => 6
            [1] => 7
            [2] => 8
            [3] => 9
            [4] => 10
        )

    [6] => Array
        (
            [0] => 7
            [1] => 8
            [2] => 9
            [3] => 10
        )

    [7] => Array
        (
            [0] => 8
            [1] => 9
            [2] => 10
        )

    [8] => Array
        (
            [0] => 9
            [1] => 10
        )

    [9] => Array
        (
            [0] => 10
        )

)
There are 54 possible combinations.