Task: Program Execution
Input (English): d, 2, 2, 7, 4, f, Q
Output (English): [['d', '2', '2', '7', '4', 'f'], ['d', '2', '2', '7', '4', 'Q'], ['d', '2', '2', '7', 'f', 'Q'], ['d', '2', '2', '4', 'f', 'Q'], ['d', '2', '7', '4', 'f', 'Q'], ['d', '2', '7', '4', 'f', 'Q'], ['2', '2', '7', '4', 'f', 'Q']]