Task: Program Execution
Input (English): R, 7, n, F, Q
Output (English): [['R', '7', 'n', 'F'], ['R', '7', 'n', 'Q'], ['R', '7', 'F', 'Q'], ['R', 'n', 'F', 'Q'], ['7', 'n', 'F', 'Q']]