Task: Program Execution
Input (English): 6, g, 4, 7, M, 8
Output (English): [['6', 'g', '4', '7', 'M'], ['6', 'g', '4', '7', '8'], ['6', 'g', '4', 'M', '8'], ['6', 'g', '7', 'M', '8'], ['6', '4', '7', 'M', '8'], ['g', '4', '7', 'M', '8']]