u - u u y u i o - i [wu]-u- u-u-[0u]-u- u - r t-y- u - u u y u i o - i [wu]-u- u-u-[0u]-u- [0u]--e-- u-r-[0u] y t r u r t e [0u]-r- u-t-y-y- u--[tu]-- [0u]-r-u y [Wt] r u r t e [0u]-[Wr]- u-u-[0u]-u- [0u] - r t y i i o - I [to]-u- y-y-o i u y u-t-y-y- u - y u y u i o - I [to]-u- y-y-o i u y u-u-[0u]-u- [0u]--e-- o - I [to]-u- y-y-o i u y u-t-y-y- u - y u y u i o - I [to]-u- y-y-o i u y u-u-[0u]-u- [0u]--e