o-u o- t u o p-i p- t i p o-u o- t u o o u i o i u y t o-u o- t u o p-i p- t i p o p a s d f g d f-s- s-- o-u o- t u o p-i p- t i p o-u o- t u o o u i o i u y t o-u o- t u o p-i p- t i p o p a s d f g d f-s- s-- d- f-s f- o s f g d h f g f d s f-s f- o s f d-a d- o a d f-s f- o s f g d h f g f d s o p a s d f g d f-s-s- d- f-s f- o s f g d h f g f d s f-s f- o s f d-a d- o a d f-s f- o s f g d h f g f d s o p a s d f g d f-s-s