Return a list of given words that found in the spelling dictionary

        :param str words: A list of words to check if they are in the spelling dictionary

def known(self, words: List[str]) -> List[str]:
        """
        Return a list of given words that found in the spelling dictionary

        :param str words: A list of words to check if they are in the spelling dictionary
        """
        return list(w for w in words if w in self.__WORDS)