bc0do
cc0doe
dc0d
ec0do
fc0doe
020doe
120d
220do
320doe
420d
pt1d
qt1do
rt1doe
st1d
tt1do
ek2do
fk2doe
gk2d
hk2do
ik2doe
3a3doe
4a3d
5a3do
6a3doe
7a3d