Task: Program Execution
Input (English): e, 5, w, 6, 1, u
Output (English): [['e', '5', 'w', '6', '1'], ['e', '5', 'w', '6', 'u'], ['e', '5', 'w', '1', 'u'], ['e', '5', '6', '1', 'u'], ['e', 'w', '6', '1', 'u'], ['5', 'w', '6', '1', 'u']]