-th b-u bbb bbf bbg bbh bbi bbn bbt bbu bfb bff bfg bfh bfi bfn bft bfu bgb bgf bgg bgh bgi bgn bgt bgu bhb bhf bhg bhh bhi bht bhu bi- bib bif big bih bii bin bit biu bnb bnf bng bni bnn bnt bnu btb btf btg bth bti btn btt btu bub buf bug buh bui bun but buu fbb fbf fbg fbh fbi fbn fbt fbu fff ffg ffh ffi ffn fft ffu fgb fgf fgg fgh fgi fgn fgt fhb fhf fhg fhh fhi fhn fib fif fig fih fii fin fit fiu fnb fnf fng fnh fni fnn fnt fnu ftb ftf ftg fth fti ftn ftt ftu fub fuf fug fui fun fut fuu gbf gbg gbh gbi gbn gbt gbu gfb gff gfh gfi gft ggb ggg ggh ggi ggn ggt ggu ghb ghg ghh ghi ghn ght gib gif gig gih gii gin git giu gnb gnf gni gnn gnt gnu gtb gtf gtg gth gti gtn gtt gtu gu- gub guf gug gui gun gut guu h-i hbb hbf hbg hbh hbi hbn hbt hbu hfb hff hfg hfh hfi hfn hft hfu hgb hgf hgg hgh hgi hgn hgt hgu hhb hhf hhg hhh hhi hhn hht hhu hib hif hig hih hii hin hit hiu hnb hnf hng hnh hnn hnt hnu htb htf htg hth hti htn htt hub huf hug huh hui hun hut huu i-f ibb ibf ibg ibh ibi ibn ibt ibu ifb iff ifg ifi ifn ift ifu igb igf igg igh igi ign igt igu ihb ihf ihg ihh ihi ihn iht ihu iib iif iih iii iin iit iiu in- inb inf ing inh ini inn int inu itb itf itg ith iti itn itt itu iu- iub iug iui iut n-i nbb nbf nbg nbi nbn nbt nbu nfb nff nfi nfn nft nfu ngb ngf ngg ngh ngi ngn ngt ngu nhb nhf nhg nhh nhi nhn nht nhu nib nif nig nih nii nin nit niu nnb nnf nng nnh nni nnn nnt nnu ntb ntf ntg nth nti ntn ntt ntu nub nug nuh nui nun nut nuu tbb tbf tbg tbh tbi tbn tbt tbu tfb tff tfg tfh tfi tfn tft tfu tgb tgf tgg tgh tgi tgn tgt tgu th- thb thf thg thh thi thn tht thu tib tif tig tih tii tin tit tiu tnb tnf tng tnh tni tnn tnt ttb ttf ttg tth tti ttn ttt ttu tub tuf tug tuh tui tun tut tuu ubb ubf ubg ubh ubi ubn ubt ubu uff ufg ufh ufi ufn uft ufu ugb ugf ugg ugh ugi ugn ugt ugu uhb uhf uhh uhi uht uhu uib uif uig uii uin uit uiu un- unb unf ung unh uni unn unt unu utb utf uth uti utn utt utu uug uun uut uuu