Task: Program Execution
Input (English): 8, O, z, 7, 2, 6
Output (English): [['8', 'O', 'z', '7', '2'], ['8', 'O', 'z', '7', '6'], ['8', 'O', 'z', '2', '6'], ['8', 'O', '7', '2', '6'], ['8', 'z', '7', '2', '6'], ['O', 'z', '7', '2', '6']]