private final void step6() {
    j = k;
    if (b[k] == 'e') {
      int a = m();
      if (a > 1 || a == 1 && !cvc(k-1))
        k--;
    }
    if (b[k] == 'l' && doublec(k) && m() > 1)
      k--;
  }