-th bbb bbg bbh bbi bbr bbt bby bgb bgg bgh bgi bgr bgt bhb bhg bhh bhi bhr bht bi- bib big bih bii bir bit biy brb brg brh bri brr brt bry btb btg bth bti btr btt bty by- byg byh byi byr byt gbg gbh gbi gbr gbt gby ggb ggg ggh ggi ggr ggt ghb ghg ghh ghi ghr ght gib gig gih gii gir git giy grb grg grh gri grr grt gry gtb gtg gth gti gtr gtt gty gy- gyb gyr h-i hbb hbg hbh hbi hbr hbt hby hgb hgg hgh hgi hgr hgt hgy hhb hhg hhh hhi hhr hht hhy hib hig hih hii hir hit hr- hrb hrg hrh hri hrr hrt htb htg hth hti htr htt hty hy- hyb hyg hyh hyi hyr hyt hyy ibb ibg ibh ibi ibr ibt iby igb igg igh igi igr igt igy ihb ihg ihh ihi ihr iht ihy iib iih iii iir iit ir- irb irg iri irr irt iry itb itg ith iti itt ity iyr iyt iyy rbb rbg rbh rbi rbr rbt rgb rgg rgh rgi rgr rgt rh- rhb rhg rhh rhi rhr rht rib rig rih rii rir rit riy rrb rrg rrh rri rrr rrt rtb rtg rti rtr rtt rty ry- ryg ryr ryy tbb tbg tbh tbi tbr tbt tgb tgg tgh tgi tgr tgt tgy th- thb thg thh thi thr tht thy tib tig tih tii tir tit tiy trb trg trh tri trr trt try ttb ttg tth tti ttr ttt tty tyg tyr tyt ybg ybi ybr yby yhi yht yig yih yii yir yit yrg yrt yth ytr ytt yyb yyg yyt yyy