Task: Program Execution
Input (English): W, 4, n, 1, 6, G, y
Output (English): [['W', '4', 'n', '1', '6', 'G'], ['W', '4', 'n', '1', '6', 'y'], ['W', '4', 'n', '1', 'G', 'y'], ['W', '4', 'n', '6', 'G', 'y'], ['W', '4', '1', '6', 'G', 'y'], ['W', 'n', '1', '6', 'G', 'y'], ['4', 'n', '1', '6', 'G', 'y']]