Task: Program Execution
Input (English): t, 8, 6, U, 6, 6, 0
Output (English): [['t', '8', '6', 'U', '6', '6'], ['t', '8', '6', 'U', '6', '0'], ['t', '8', '6', 'U', '6', '0'], ['t', '8', '6', '6', '6', '0'], ['t', '8', 'U', '6', '6', '0'], ['t', '6', 'U', '6', '6', '0'], ['8', '6', 'U', '6', '6', '0']]