Task: Program Execution
Input (English): 8, 6, T, 4, l, Q
Output (English): [['8', '6', 'T', '4', 'l'], ['8', '6', 'T', '4', 'Q'], ['8', '6', 'T', 'l', 'Q'], ['8', '6', '4', 'l', 'Q'], ['8', 'T', '4', 'l', 'Q'], ['6', 'T', '4', 'l', 'Q']]