l1bkm2 m1bk n1bkm o1bkm2 p1bk
asck bsckm csckm2 dsck esckm
zidkm 0idkm2 1idk 2idkm 3idkm2
o9dkm2 p9dk q9dkm r9dkm2 s9dk
d0ek e0ekm f0ekm2 g0ek h0ekm