s t u t s t o t d s d f g i p i g i p i g i p i g f d f h o a o h O s o h o a o l s f s l s f s j T p T j t O t g r i r g t I t d y r y d y r y s t w t s t w t s t w t s t w t s h f s s t o t s t o t s t o t p g h p g h j J a h j a h j k l f l z f l z x c v b n m s [8f] [0h] [8s] t 8 0 8 t 8 0 8 o-8-[8o]-o