“开”字的韵部属于“ai”韵，这个韵部里还有以下一些字：

哀、爱、癌、艾、挨、矮、隘、癌、垅、碍、蔼、矮、砣、嗳、皲、皴、捻、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、砣、嗳、