b-u bbb bbg bbi bbn bbr bbt bbu bby bgb bgg bgi bgn bgr bgt bgu bi- bib big bii bin bir bit biu biy bnb bng bni bnn bnr bnt bnu brb brg bri brn brr brt bru bry btb btg bti btn btr btt btu bty bub bug bui bun bur but buu buy by- byg byi byn byr byt byu gbg gbi gbn gbr gbt gbu gby ggb ggg ggi ggn ggr ggt ggu gib gig gii gin gir git giu giy gnb gni gnn gnr gnt gnu grb grg gri grn grr grt gru gry gtb gtg gti gtn gtr gtt gtu gty gu- gub gug gui gun gur gut guu guy gy- gyb gyn gyr ibb ibg ibi ibn ibr ibt ibu iby igb igg igi ign igr igt igu igy iib iii iin iir iit iiu in- inb ing ini inn inr int inu iny ir- irb irg iri irn irr irt iru iry itb itg iti itn itt itu ity iu- iub iug iui iur iut iyr iyt iyy n-i nbb nbg nbi nbn nbr nbt nbu ngb ngg ngi ngn ngt ngu nib nig nii nin nir nit niu nnb nng nni nnn nnt nnu nrb nrg nri nrn nrr nrt nru nry ntb ntg nti ntn ntr ntt ntu nub nug nui nun nur nut nuu nuy nyg nyn nyt nyu nyy rbb rbg rbi rbn rbr rbt rbu rgb rgg rgi rgn rgr rgt rib rig rii rin rir rit riy rnb rng rni rnn rnr rnt rnu rny rrb rrg rri rrn rrr rrt rru rtb rtg rti rtn rtr rtt rtu rty rub rug rui run rur rut ruu ruy ry- ryg ryn ryr ryu ryy tbb tbg tbi tbn tbr tbt tbu tgb tgg tgi tgn tgr tgt tgu tgy tib tig tii tin tir tit tiu tiy tnb tng tni tnn tnr tnt trb trg tri trn trr trt tru try ttb ttg tti ttn ttr ttt ttu tty tub tug tui tun tur tut tuu tuy tyg tyn tyr tyt ubb ubg ubi ubn ubr ubt ubu uby ugb ugg ugi ugn ugr ugt ugu uib uig uii uin uir uit uiu un- unb ung uni unn unr unt unu uny ur- urb urg uri urn urr urt uru ury utb uti utn utr utt utu uty uug uun uur uut uuu uyi uyu ybg ybi ybr yby yig yii yin yir yit yng ynn ynu yny yrg yrn yrt yru ytn ytr ytt ytu yug yui yun yur yut yuu yuy yyb yyg yyt yyu yyy