h - h g - g h h-g--- h - h g g-f---- f-f-d-a- s s a o d p - f-f-d-a a s s s d d-- f-f-d-a- s s a o d p - f-f-d-a a s s s d d-- f-s-s-s- d-s-p-o- f---- d o-o--- f-f-d-s- s-a-p-o- f---- d o-o--- d - a s - p d a-p s-- d - a s p-s f---- d - a s - p d a-p s-- d - a s p-s f