Task: Program Execution
Input (English): V, I, 1, D, 5, O
Output (English): [['V', 'I', '1', 'D', '5'], ['V', 'I', '1', 'D', 'O'], ['V', 'I', '1', '5', 'O'], ['V', 'I', 'D', '5', 'O'], ['V', '1', 'D', '5', 'O'], ['I', '1', 'D', '5', 'O']]