rse2rl
qse2r
pse2
ose2rl
nse2r
21d2r
11d2
01d2rl
z1d2r
y1d2
dbd2
cbd2rl
bbd2r
abd2
9ad2rl
okc2rl
nkc2r
mkc2
lkc2rl
kkc2r
ztb2r
ytb2
xtb2rl
wtb2r
vtb2