Task: Program Execution
Input (English): 9, n, e, 0, W, i, a
Output (English): [['9', 'n', 'e', '0', 'W', 'i'], ['9', 'n', 'e', '0', 'W', 'a'], ['9', 'n', 'e', '0', 'i', 'a'], ['9', 'n', 'e', 'W', 'i', 'a'], ['9', 'n', '0', 'W', 'i', 'a'], ['9', 'e', '0', 'W', 'i', 'a'], ['n', 'e', '0', 'W', 'i', 'a']]