np1ob
op1obu
pp1o
qp1ob
rp1obu
cg2obu
dg2o
eg2ob
fg2obu
gg2o
162o
262ob
362obu
462o
562ob
qx3ob
rx3obu
sx3o
tx3ob
ux3obu
fo4obu
go4o
ho4ob
io4obu
jo4o