code: def ssml_w(self, words, role=None, **kwargs):
          
          return self.nest(SsmlW(words, role=role, **kwargs))
docs: Create a <W> element
  
          :param words: Words to speak
          :param role: Customize the pronunciation of words by specifying the word’s part of speech or alternate meaning
          :param kwargs: additional attributes
  
          :returns: <W> element