Task: Program Execution
Input (English): C, 2, v, m, 2, 9
Output (English): [['C', '2', 'v', 'm', '2'], ['C', '2', 'v', 'm', '9'], ['C', '2', 'v', '2', '9'], ['C', '2', 'm', '2', '9'], ['C', 'v', 'm', '2', '9'], ['2', 'v', 'm', '2', '9']]