g-h- f - d---- g g g g-h f g f d - d- f-f G D S a d- d d f S a p- s--g-h- f - d---- g g g g-h f g f d - d- f-f G D S a d- d d f S a p- s-y u i o p s a-o i-y--- y u i o p s a-o o---- i S a-d f- a O u u-f d- p p p p-p- p - i---- d-p- s - a a-d- f f f G D s a d - d f S a p- s---- s