o s f S d g D f h s - g-h g - f g f d S s f d s s a - a s - s s f s-G- g-O s s d f h - S-J-H j h s p f g-o s f S d g D f h s - g-h g - f g f d S s f d s s a - a s - s s f s-G- g-O s s d f g h f h-f g f d s a d - s H a-j J k H j k H f---G h G f S G f S a-- k-k-k s j G f--a dfdps d--g a-f d S f d p d-s a--o g h f h-f g f d s a s s