Task: Program Execution
Input (English): 6, U, t, q, e, 6
Output (English): [['6', 'U', 't', 'q', 'e'], ['6', 'U', 't', 'q', '6'], ['6', 'U', 't', 'e', '6'], ['6', 'U', 'q', 'e', '6'], ['6', 't', 'q', 'e', '6'], ['U', 't', 'q', 'e', '6']]