s-d-f s s-s d f h hfsfs f g f d-s-- s-h-d p d-p s o s h s i-d- h-f p p- o-d p pasfG s o-f s pfp o- o-d-p- p a s f p- o s h s p- pfp o-- o-d-p-p a sfspa- ospGd s a-p o I-- f--S-f p-- S D f S p S--p-S I-- p a S p I f S f p p-S DfSpS- S-f I I p a S I f-S-f--D S a p p- p-S-D f S a p a S-- S-D-f-I-S-Y-- S