[6u] u [6y] y [6t]-[6r] y 6 y [6t] t [6r]-[6e] y 3 y [3t] t [3r]-[3e] 0 3-3-3-[3t] u 6 u [6y] y [6t]-[6r] y 6 y [6t] t [6r]-6 e 4-[4y] t [4y] y [4t] u 3 y y-y t y u 6-t e 6-- 5-y [5y] y t y u 6-t e 6-- 5 t t [5t] o i u iu 6-t e 6-- 5 t t [5t] o i u iu 6-t e 6