s-a-p- O-g-d- f-d-s- p--- P--- O--- p-a-s- p--- P--- O--- O--- p--- s-d-f- d s a p o i u---- i- i-i- u-a - d s--s a p---p d-d-s- a p p - s a---- s- d-f- d s a p o i u---- i- i-i- u-a - d s--s a p---p d-d-s- a p O - p- p---- g- g-g- g-g-g- f-f - d f--- d-d-s- a-s - d s---- f- f-f- g-g-g- f-f - s d--- d-d-a- a a - p- a---- s- d-f- d s a p o i u---- i- i-i- u-a-d- s--s a p---p d-d-s- a p a - s a---- s- d-f- d s a p o i u---- i- i-i- u-a - d s--s a p---p d-d-s- a p O - p- p