Task: Program Execution
Input (English): a, 4, 0, 9, 8, 5, 6
Output (English): [['a', '4', '0', '9', '8', '5'], ['a', '4', '0', '9', '8', '6'], ['a', '4', '0', '9', '5', '6'], ['a', '4', '0', '8', '5', '6'], ['a', '4', '9', '8', '5', '6'], ['a', '0', '9', '8', '5', '6'], ['4', '0', '9', '8', '5', '6']]