Task: Program Execution
Input (English): 4, 4, z, 6, m, I
Output (English): [['4', '4', 'z', '6', 'm'], ['4', '4', 'z', '6', 'I'], ['4', '4', 'z', 'm', 'I'], ['4', '4', '6', 'm', 'I'], ['4', 'z', '6', 'm', 'I'], ['4', 'z', '6', 'm', 'I']]