ptdn qtdnb rtdnb6 stdn ttdnb
ekenb fkenb6 gken hkenb ikenb6
3afnb6 4afn 5afnb 6afnb6 7afn
s1fn t1fnb u1fnb6 v1fn w1fnb
hsgnb isgnb6 jsgn ksgnb lsgnb6