sbn2 tbn20 ubn20y vbn2 wbn20
h2n20 i2n20y j2n2 k2n20 l2n20y
6so20y 7so2 8so20 9so20y ato2
vjp2 wjp20 xjp20y yjp2 zjp20
kaq20 laq20y maq2 naq20 oaq20y