Task: Program Execution
Input (English): 6, L, 7, J, v, x
Output (English): [['6', 'L', '7', 'J', 'v'], ['6', 'L', '7', 'J', 'x'], ['6', 'L', '7', 'v', 'x'], ['6', 'L', 'J', 'v', 'x'], ['6', '7', 'J', 'v', 'x'], ['L', '7', 'J', 'v', 'x']]