bo1oc
co1occ
do1o
eo1oc
fo1occ
0e2occ
1e2o
2e2oc
3e2occ
4e2o
p52o
q52oc
r52occ
s52o
t52oc
ew3oc
fw3occ
gw3o
hw3oc
iw3occ
3m4occ
4m4o
5m4oc
6m4occ
7m4o