Task: Program Execution
Input (English): 6, e, h, Z, 8, x
Output (English): [['6', 'e', 'h', 'Z', '8'], ['6', 'e', 'h', 'Z', 'x'], ['6', 'e', 'h', '8', 'x'], ['6', 'e', 'Z', '8', 'x'], ['6', 'h', 'Z', '8', 'x'], ['e', 'h', 'Z', '8', 'x']]