bbb bbd bbh bbi bbr bby bdb bdd bdh bdi bdr bdy bhb bhd bhh bhi bhr bi- bib bid bih bii bir biy brb brd brh bri brr bry by- byd byh byi byr dbb dbd dbh dbi dbr dby ddb ddd ddh ddi ddr ddy dh- dhb dhd dhh dhi dhr di- dib did dih dii dir diy drb drd dri drr dry dy- dyb dyd dyr dyy h-i hbb hbd hbh hbi hbr hby hdb hdd hdh hdi hdr hdy hhb hhd hhh hhi hhr hhy hib hid hih hii hir hr- hrb hrd hrh hri hrr hy- hyb hyd hyh hyi hyr hyy i-d ibb ibd ibh ibi ibr iby idb idd idh idi idr idy ihb ihd ihh ihi ihr ihy iib iid iih iii iir ir- irb ird iri irr iry iyr iyy rbb rbd rbh rbi rbr rdb rdd rdh rdi rdr rdy rh- rhb rhd rhh rhi rhr rib rid rih rii rir riy rrb rrd rrh rri rrr ry- ryd ryr ryy ybi ybr yby ydy yhi yid yih yii yir yyb yyy