Task: Program Execution
Input (English): d, i, 8, 2, O, V
Output (English): [['d', 'i', '8', '2', 'O'], ['d', 'i', '8', '2', 'V'], ['d', 'i', '8', 'O', 'V'], ['d', 'i', '2', 'O', 'V'], ['d', '8', '2', 'O', 'V'], ['i', '8', '2', 'O', 'V']]