k3o2c l3o2ch m3o2 n3o2c o3o2ch
9tp2ch aup2 bup2c cup2ch dup2
ykq2 zkq2c 0kq2ch 1kq2 2kq2c
nbr2c obr2ch pbr2 qbr2c rbr2ch
c2r2ch d2r2 e2r2c f2r2ch g2r2