Task: Program Execution
Input (English): W, q, 5, E, 1, 4
Output (English): [['W', 'q', '5', 'E', '1'], ['W', 'q', '5', 'E', '4'], ['W', 'q', '5', '1', '4'], ['W', 'q', 'E', '1', '4'], ['W', '5', 'E', '1', '4'], ['q', '5', 'E', '1', '4']]