Task: Program Execution
Input (English): E, u, n, 9, w, f
Output (English): [['E', 'u', 'n', '9', 'w'], ['E', 'u', 'n', '9', 'f'], ['E', 'u', 'n', 'w', 'f'], ['E', 'u', '9', 'w', 'f'], ['E', 'n', '9', 'w', 'f'], ['u', 'n', '9', 'w', 'f']]