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