321r7m
421r
521r7
621r7m
721r
st2r
tt2r7
ut2r7m
vt2r
wt2r7
hk3r7
ik3r7m
jk3r
kk3r7
lk3r7m
6a4r7m
7a4r
8a4r7
9a4r7m
ab4r
v14r
w14r7
x14r7m
y14r
z14r7