kv5o2 jv5o iv5o22 hv5o2 gv5o
v44o u44o22 t44o2 s44o r44o22
6d4o22 5d4o2 4d4o 3d4o22 2d4o2
hn3o2 gn3o fn3o22 en3o2 dn3o
sw2o rw2o22 qw2o2 pw2o ow2o22