code: def variant_names(self, language=DEFAULT_LANGUAGE, min_score: int=75) -> list:
          
          names = []
          for variant in self.variants:
              var_names = code_to_names('variant', variant)
              names.append(self._best_name(var_names, language, min_score))
          return names
docs: Describe each of the variant parts of the language tag in a natural
          language.