Task: Program Execution
Input (English): E, u, i, 5, o, I
Output (English): [['E', 'u', 'i', '5', 'o'], ['E', 'u', 'i', '5', 'I'], ['E', 'u', 'i', 'o', 'I'], ['E', 'u', '5', 'o', 'I'], ['E', 'i', '5', 'o', 'I'], ['u', 'i', '5', 'o', 'I']]