s Y-Y y-Y- i-Y-y-Y- s--o-P--- i-o- s---o- s-o-a-P- P---- Y - Y y-Y- i-Y-y-Y- S--P-s- P--P-i- P--P-- P--P-- s---- D - D d-D- g-D-s-O- D--d-S---- S- s - s a-O- S-s-p-i- s--a-P---- s Y-Y y-Y- i-Y-y-Y- D--D-- S---s- g--g-g- D-P--s- s