[to] f d s [to]-- [to] f d s [tp]-- [tp] g f d [ta]-- [th] h g d [uf]-- [to] f d s [to]-- [to] f d s [tp]-- [tp] g f d [th] h h hh [tj] h g d [us]-h- [tf] f [wf]-[tf] f [wf]- [tf] h [ws] d [tf]-w- [tg] g [wg] gg[tg]gf [wf] ff [rh] h [wg] d [ts]