v2bd w2bdp x2bdpn y2bd z2bdp
ktcdp ltcdpn mtcd ntcdp otcdpn
9jddpn akdd bkddp ckddpn dkdd
yaed zaedp 0aedpn 1aed 2aedp
n1edp o1edpn p1ed q1edp r1edpn