Task: Program Execution
Input (English): o, d, 5, e, H, 6, 5
Output (English): [['o', 'd', '5', 'e', 'H', '6'], ['o', 'd', '5', 'e', 'H', '5'], ['o', 'd', '5', 'e', '6', '5'], ['o', 'd', '5', 'H', '6', '5'], ['o', 'd', 'e', 'H', '6', '5'], ['o', '5', 'e', 'H', '6', '5'], ['d', '5', 'e', 'H', '6', '5']]