Task: Program Execution
Input (English): 9, t, U, 9, 8, q, I
Output (English): [['9', 't', 'U', '9', '8', 'q'], ['9', 't', 'U', '9', '8', 'I'], ['9', 't', 'U', '9', 'q', 'I'], ['9', 't', 'U', '8', 'q', 'I'], ['9', 't', '9', '8', 'q', 'I'], ['9', 'U', '9', '8', 'q', 'I'], ['t', 'U', '9', '8', 'q', 'I']]