Task: Program Execution
Input (English): 6, 0, b, 6, M, 8
Output (English): [['6', '0', 'b', '6', 'M'], ['6', '0', 'b', '6', '8'], ['6', '0', 'b', 'M', '8'], ['6', '0', '6', 'M', '8'], ['6', 'b', '6', 'M', '8'], ['0', 'b', '6', 'M', '8']]