Task: Program Execution
Input (English): A, e, U, u, 5, 7
Output (English): [['A', 'e', 'U', 'u', '5'], ['A', 'e', 'U', 'u', '7'], ['A', 'e', 'U', '5', '7'], ['A', 'e', 'u', '5', '7'], ['A', 'U', 'u', '5', '7'], ['e', 'U', 'u', '5', '7']]