q1sib r1sib2 s1si t1sib u1sib2

fstib2 gsti hstib istib2 jsti

4iui 5iuib 6iuib2 7iui 8iuib

t9uib u9uib2 v9ui w9uib x9uib2

i0vib2 j0vi k0vib l0vib2 m0vi