code: def stem(self, word):
          
  
          if len(word) <= 2:
              return word
          else:
              word = self.remove_initial_apostrophe(word)
              word = self.set_ys(word)
              self.find_regions(word)
  
              word = self.strip_possessives(word)
              word = self.replace_suffixes_1(word)
              word = self.replace_suffixes_2(word)
              word = self.replace_ys(word)
              word = self.replace_suffixes_3(word)
              word = self.replace_suffixes_4(word)
              word = self.delete_suffixes(word)
              word = self.process_terminals(word)
  
              return word
docs: Stem the word if it has more than two characters,
          otherwise return it as is.