9pi1pb 8pi1p 7pi1 6pi1pb 5pi1p
kzh1p jzh1 izh1pb hzh1p gzh1
v8g1 u8g1pb t8g1p s8g1 r8g1pb
6hg1pb 5hg1p 4hg1 3hg1pb 2hg1p
hrf1p grf1 frf1pb erf1p drf1