Task: Program Execution
Input (English): 6, x, J, B, O, 4
Output (English): [['6', 'x', 'J', 'B', 'O'], ['6', 'x', 'J', 'B', '4'], ['6', 'x', 'J', 'O', '4'], ['6', 'x', 'B', 'O', '4'], ['6', 'J', 'B', 'O', '4'], ['x', 'J', 'B', 'O', '4']]