o-u o o-s p o t u o p y y- o-u o o-p s d g f s d s p s o-u o o-s p o t u o p y y- t - u o t u o s d f s d f s p o t t- o t p t o t u o p y y- o t t- o t u o s d f s d f s p o t t- o t p t o t u o p y y- t - u o t u o s d f s d s d f h-f s d f s f h-f s d s p s h-f s d f s f g d f s d s p s h-f s d f s f h-f s d s p s f h h- j f h f s d f s d-s d f-s f d f s d f-s f d s p s f-s f d f s f g d f s d s p s f-s f d f s d f-s f d s p s f h h- j f h f s d f s d-s p o s f s d s f s o s f s d s p s o s f s d s d f g d f s d s p s o s f s o s f s o s f s d s p s f h h- j f h f s d f s d-s p