boh1d coh1dh doh1 eoh1d foh1dh
0ei1dh 1ei1 2ei1d 3ei1dh 4ei1
p5i1 q5i1d r5i1dh s5i1 t5i1d
ewj1d fwj1dh gwj1 hwj1d iwj1dh
3mk1dh 4mk1 5mk1d 6mk1dh 7mk1