code: def step5(self):
          
          self.j = self.k
          if self.b[self.k] == "e":
              a = self.m()
              if a > 1 or (a == 1 and not self.cvc(self.k - 1)):
                  self.k = self.k - 1
          if self.b[self.k] == "l" and self.doublec(self.k) and self.m() > 1:
              self.k = self.k - 1
docs: step5() removes a final -e if m() > 1, and changes -ll to -l if
          m() > 1.