Task: Program Execution
Input (English): o, 5, 8, h, 7, 5
Output (English): [['o', '5', '8', 'h', '7'], ['o', '5', '8', 'h', '5'], ['o', '5', '8', '7', '5'], ['o', '5', 'h', '7', '5'], ['o', '8', 'h', '7', '5'], ['5', '8', 'h', '7', '5']]