bdrk2
cdrk2r
ddrk
edrk2
fdrk2r
03rk2r
13rk
23rk2
33rk2r
43rk
pusk
qusk2
rusk2r
susk
tusk2
eltk2
fltk2r
gltk
hltk2
iltk2r
3buk2r
4buk
5buk2
6buk2r
7buk