alwn blwn2 clwn2h dlwn elwn2

zbxn2 0bxn2h 1bxn 2bxn2 3bxn2h

o2xn2h p2xn q2xn2 r2xn2h s2xn

dtyn etyn2 ftyn2h gtyn htyn2

2jzn2 3jzn2h 4jzn 5jzn2 6jzn2h