y y u u t t-u y-u [wu]-w-w e e [wy] [wy] u u t t-u y-t [0t]-0-0 q q [0y] [0y] u u t t-u y-u [wu]-w-w e e [wy] [wy] u u t t-u y w t [0t]yw e---- w e t u w e e [wy]-u [wy]- [qt] w q w - [tu] [ei] [eu] [wy]-o- p 7 u [0y] t [ep]--w e t u w e e [wy]- u y-t- w o wut y y w e u-e q 8-8