Task: Program Execution
Input (English): 0, 4, M, f, s, D, 6
Output (English): [['0', '4', 'M', 'f', 's', 'D'], ['0', '4', 'M', 'f', 's', '6'], ['0', '4', 'M', 'f', 'D', '6'], ['0', '4', 'M', 's', 'D', '6'], ['0', '4', 'f', 's', 'D', '6'], ['0', 'M', 'f', 's', 'D', '6'], ['4', 'M', 'f', 's', 'D', '6']]