t-t-t-t- t-t-t-t- y-y-y-y- y-y-y-y- u-u-u-u- u-u-u-u- i-i-i-i- i-i-i-i- o-o-o-o- o-o-o-o- p-p-p-p- p-p-p-p- a-a-a-a- a-a-a-a- s-s-s-s- s-s-s-s- a-a-a-a- a-a-a-a- p-p-p-p- p-p-p-p- o-o-o-o- o-o-o-o- i-i-i-i- i-i-i-i- u-u-u-u- u-u-u-u- y-y-y-y- y-y-y-y- t-t-t-t- t-t-t-t- t-t-t-t- t-t-t-t- y-y-y-y- y-y-y-y- t-t-t-t- t-t-t-t- y-y-y-y- y-y-y-y- t-t-t-t- t-t-t-t- y-y-y-y- y-y-y-y- t-t-t-t- t-t-t-t- y-y-y-y- y-y-y-y