utrbrv
vtrb
wtrbr
xtrbrv
ytrb
jksb
kksbr
lksbrv
mksb
nksbr
8atbr
9atbrv
abtb
bbtbr
cbtbrv
x1tbrv
y1tb
z1tbr
01tbrv
11tb
msub
nsubr
osubrv
psub
qsubr