nt1r2
ot1r2k
pt1r
qt1r2
rt1r2k
ck2r2k
dk2r
ek2r2
fk2r2k
gk2r
1a3r
2a3r2
3a3r2k
4a3r
5a3r2
q13r2
r13r2k
s13r
t13r2
u13r2k
fs4r2k
gs4r
hs4r2
is4r2k
js4r