Task: Program Execution
Input (English): 6, 2, m, e, 7, 2
Output (English): [['6', '2', 'm', 'e', '7'], ['6', '2', 'm', 'e', '2'], ['6', '2', 'm', '7', '2'], ['6', '2', 'e', '7', '2'], ['6', 'm', 'e', '7', '2'], ['2', 'm', 'e', '7', '2']]