Task: Program Execution
Input (English): l, 3, y, 6, b, T
Output (English): [['l', '3', 'y', '6', 'b'], ['l', '3', 'y', '6', 'T'], ['l', '3', 'y', 'b', 'T'], ['l', '3', '6', 'b', 'T'], ['l', 'y', '6', 'b', 'T'], ['3', 'y', '6', 'b', 'T']]