o---- s d s a [8s]---- [8u] - s-s f d [7a]---- o - w t y u u [8o]---- [8u] - t t y u u [7o] y-t t r y- o - w t y u u [8o]----e [8u]--t y u u [7o] y-t t r y- o---t t o [8u] i u y-t-o [7o] i u y-t u u [8i]---u y [8i]---t t o [8u] i u y-t t o [7o] i u y - u u [8i]---u y [7o]--s d s a [8s] s-s-s a s [8u] s-s-s f d [7a] a-a-a p a o a - s d s a [8s] s-s-s a s [8u] s-o s d s s [7a]---- o--s d s a [8s] s-s-s a s [8u] s-s-s f d [7a] a-a-a p a o a - s d s a [8s] s-s-s a s [8u] s-o s d s s [7a]---- o--s d s a