u u---- u u---- u u---- u u---- [tp]--[tp]--- [up]-[yo]- [ti]---- [tp]--p--- t t r t r e e-[up]-[yo]- [ti]---- [wo] [us] [ya] [tp] [ya] [ya]-[tp]-0 q-w-- [wo] [us] [ya] [tp] [ya] [ya]-[tp]-[ep] [ea]-[es]--- [ep]-[ea]- [ws]-[wa]-[wp]-[wo]- [es]--[eS]---- u u---- u u---- u u---- u u-u o p p u o p-u t y t u t y t u y- e-e e [rt] y-[ty]- u-t-u o p p e--u t y t-u t y t--- e-t-y- [tu]-[to]-[yp] [yp]-[to]--- [us] [ya] [tp] [ya] [ya]-[tp]-0 q-w-- [wo] [us] [ya] [tp] [ya] [ya]-[tp]-[ep] [ea]-[es]--- [ep]-[ea]- [ws]-[wa]-[wp]-[wo]- [es]--[eS]