The 216 possible sets of three numbers 1-6. A few are
{1, 1, 1}, {1, 1, 2}, {1, 1, 3}, ..., {6, 6, 4}, {6, 6, 5}, {6, 6, 6}
{1, 1, 1}, {1, 1, 2}, {1, 1, 3}, ..., {6, 6, 4}, {6, 6, 5}, {6, 6, 6}