6ie2oq 5ie2o 4ie2 3ie2oq 2ie2o

hsd2o gsd2 fsd2oq esd2o dsd2

s1c2 r1c2oq q1c2o p1c2 o1c2oq

3ac2oq 2ac2o 1ac2 0ac2oq zac2o

ekb2o dkb2 ckb2oq bkb2o akb2