Task: Program Execution
Input (English): 6, 3, U, w, 6, 1
Output (English): [['6', '3', 'U', 'w', '6'], ['6', '3', 'U', 'w', '1'], ['6', '3', 'U', '6', '1'], ['6', '3', 'w', '6', '1'], ['6', 'U', 'w', '6', '1'], ['3', 'U', 'w', '6', '1']]