mumn numn2 oumn2y pumn qumn2
blnn2 clnn2y dlnn elnn2 flnn2y
0bon2y 1bon 2bon2 3bon2y 4bon
p2on q2on2 r2on2y s2on t2on2
etpn2 ftpn2y gtpn htpn2 itpn2y