Task: Program Execution
Input (English): M, C, C, 4, V, 6
Output (English): [['M', 'C', 'C', '4', 'V'], ['M', 'C', 'C', '4', '6'], ['M', 'C', 'C', 'V', '6'], ['M', 'C', '4', 'V', '6'], ['M', 'C', '4', 'V', '6'], ['C', 'C', '4', 'V', '6']]