bpo2b cpo2by dpo2 epo2b fpo2by

0fp2by 1fp2 2fp2b 3fp2by 4fp2

p6p2 q6p2b r6p2by s6p2 t6p2b

exq2b fxq2by gxq2 hxq2b ixq2by

3nr2by 4nr2 5nr2b 6nr2by 7nr2