O P s-s-P-O P s-D s g-S g H-h H D-s D g-s D O o P P s-s-P-O P s-s-P-D g G-G-g-D g G-D-s-- s s-P i-- s s-P u - s D D-s D-s- s D D-P-Y- s O O--- P---P P s-s-P-O P s-s-P-D g G-G-g-D g G-D-s-- s s-P i-- s s-P u - s D D-s D-s- s D D-P-Y- s O O--- P---P P s D D-P-Y- s O O--- P--s-- H-g-H-g- H-g H s-- h-D-h-D- h--s-- H-g-H-g- H-g H s-- D-g-g-g- P---P P s-s-P-O P s-s-P-D g G-G-g-D g G-D-s-- s s-P i-- s s-P u - s D D-P D-s- s D D-P-Y- s O O--- P--P