9hs1du ais1 bis1d cis1du dis1

y8s1 z8s1d 08s1du 18s1 28s1d

nzt1d ozt1du pzt1 qzt1d rzt1du

cqu1du dqu1 equ1d fqu1du gqu1

1gv1 2gv1d 3gv1du 4gv1 5gv1d