How do you make Castle on little alchemy?

How do you make Castle on little alchemy?
castle

stone + knight.
knight + wall.
house + knight.
stone + warrior.
warrior + wall.
house + warrior.
knight + container.
house + vampire.

castle
  1. stone + knight.
  2. knight + wall.
  3. house + knight.
  4. stone + warrior.
  5. warrior + wall.
  6. house + warrior.
  7. knight + container.
  8. house + vampire.