p f-f f d s f h f d f d f p o s-d f - d s p f-f f d s f h f d f d f p o d-d f s a s- p f-f f d s f h f d f d f p o s-d f - d s p f-f f d s f h f d f d f p o d-d f s a s f h j - j h f j k j j h f h - h f d h-h h f d f-d f-h j l j h f d f p o d-d f s a s f h j - j h f j k j j h f h - h j k l k j h f d f-d f-h j l j h f d f p o d-d f s a s