c81nr6
d81n
e81nr
f81nr6
g81n
1y2n
2y2nr
3y2nr6
4y2n
5y2nr
qp3nr
rp3nr6
sp3n
tp3nr
up3nr6
fg4nr6
gg4n
hg4nr
ig4nr6
jg4n
464n
564nr
664nr6
764n
864nr