h-j-k j h k j h G-jh G h j k---- h j k j k l z l z l k h j l k j h-h j k-h- f-k k j k j h h h h--- o-o p a p o- o o o p a-a- o-o p a p o- p p p a p-t- o-o p a p o- o o o o u-p- o o p a s p a s a o p I o-- o o p a o a p- h h j k h k j- v v b n v n b o v v b n v k C h v v b n m n b v C z x C v G v- x C x z x C v h z x z l k G z