o w t u t w [0t] w t u t w [0t] w t u o s f - e-y [yu]-y y-eu-y y y - [ry]-yuy-yu[yi]-u y-yu [tu]---wuy-y-y- [ty]-y--t - e-y [yu] y y-e u y y y - te [ry] y u y y uu[yi]-u y-yu [tu]---yu-y y y-y [ty]te----w O W r y u r [tu] y t r e e [wr] r y u i y [ti] i u y t t O W r y u r [tu] y t r e e [tu] - [ty] - [ri] - u-w [wt] e t u t w O r u y-t [et] t y u t w [et] t u y-t [wt] e t u t w O r u y-t [et] t y u t w [et] t u y-t [tu]-t-t y O--e- t---t---y [ty] u t-t y O--y t [et]---t - t y t 0 w t u t w 0 w t u t w 0 w t u o s f