obi2o0 nbi2o mbi2 lbi2o0 kbi2o

zkh2o ykh2 xkh2o0 wkh2o vkh2

aug2 9tg2o0 8tg2o 7tg2 6tg2o0

l3f2o0 k3f2o j3f2 i3f2o0 h3f2o

wcf2o vcf2 ucf2o0 tcf2o scf2