t-y-u y t- t-y-u y t- t-r-r-t- t-y-y-u- t-y f [uf] y [tf]- [tf]-[yf] f [uf] y [tf]- [tf]-[rf]-[rf]-[tf]- [td]-y-y-u- t-[yd] f [uf] y [th]- [th]-[yf]-u y t- t-[rd] f [rf]-[tf]- [td]-y-y-u- t-y f u [yf] [th]- t h [yh]-[uf] y t- t-r f r f [td]- t d [yd]-[ya]-[us]- t-y f u [yf] [th]- t h [yh]-[uf] y [td]- t-r f r f [tf]- [tf]-[yf]-[ys]-[up]---- f f-f - f-f f-f--- f f-D - D-D D-f-- f f f-f - f-f f-f-- f f f-D - D-D D-f - j-j j-j- j-l-k-k - k-k k-k- h-l-k-j - j-j j-j- j-l-k-k - k-k k-k- h-l-k-j