kn1x2
ln1x2m
mn1x
nn1x2
on1x2m
9d2x2m
ae2x
be2x2
ce2x2m
de2x
y42x
z42x2
042x2m
142x
242x2
nv3x2
ov3x2m
pv3x
qv3x2
rv3x2m
cm4x2m
dm4x
em4x2
fm4x2m
gm4x