Task: Program Execution
Input (English): 9, 2, x, F, 9, s, z
Output (English): [['9', '2', 'x', 'F', '9', 's'], ['9', '2', 'x', 'F', '9', 'z'], ['9', '2', 'x', 'F', 's', 'z'], ['9', '2', 'x', '9', 's', 'z'], ['9', '2', 'F', '9', 's', 'z'], ['9', 'x', 'F', '9', 's', 'z'], ['2', 'x', 'F', '9', 's', 'z']]