Task: Program Execution
Input (English): q, Z, U, e, 9, X
Output (English): [['q', 'Z', 'U', 'e', '9'], ['q', 'Z', 'U', 'e', 'X'], ['q', 'Z', 'U', '9', 'X'], ['q', 'Z', 'e', '9', 'X'], ['q', 'U', 'e', '9', 'X'], ['Z', 'U', 'e', '9', 'X']]