xe6y2x we6y2 ve6y ue6y2x te6y2

8n5y2 7n5y 6n5y2x 5n5y2 4n5y

jx4y ix4y2x hx4y2 gx4y fx4y2x

u63y2x t63y2 s63y r63y2x q63y2

5f3y2 4f3y 3f3y2x 2f3y2 1f3y