-th b-u bbb bbf bbg bbh bbi bbl bbn bbt bbu bfb bff bfg bfh bfi bfl bfn bft bfu bgb bgf bgg bgh bgi bgl bgn bgt bgu bhb bhf bhg bhh bhi bhl bht bhu bi- bib bif big bih bii bil bin bit biu blb blf blg blh bli bll bln blt blu bnb bnf bng bni bnl bnn bnt bnu btb btf btg bth bti btl btn btt btu bub buf bug buh bui bul bun but buu fbb fbf fbg fbh fbi fbl fbn fbt fbu fff ffg ffh ffi ffl ffn fft ffu fgb fgf fgg fgh fgi fgl fgn fgt fhb fhf fhg fhh fhi fhl fhn fib fif fig fih fii fil fin fit fiu flb flf flg fli fll fln flt flu fnb fnf fng fnh fni fnl fnn fnt fnu ftb ftf ftg fth fti ftl ftn ftt ftu fub fuf fug fui ful fun fut fuu gbf gbg gbh gbi gbl gbn gbt gbu gfb gff gfh gfi gfl gft ggb ggg ggh ggi ggn ggt ggu ghb ghg ghh ghi ghl ghn ght gib gif gig gih gii gil gin git giu glb glf glg glh gli gll gln glt glu gnb gnf gni gnl gnn gnt gnu gtb gtf gtg gth gti gtl gtn gtt gtu gu- gub guf gug gui gul gun gut guu h-i hbb hbf hbg hbh hbi hbl hbn hbt hbu hfb hff hfg hfh hfi hfl hfn hft hfu hgb hgf hgg hgh hgi hgl hgn hgt hgu hhb hhf hhg hhh hhi hhl hhn hht hhu hib hif hig hih hii hil hin hit hiu hlb hlf hlg hlh hli hll hln hlt hlu hnb hnf hng hnh hnl hnn hnt hnu htb htf htg hth hti htl htn htt hub huf hug huh hui hul hun hut huu i-f ibb ibf ibg ibh ibi ibl ibn ibt ibu ifb iff ifg ifi ifl ifn ift ifu igb igf igg igh igi igl ign igt igu ihb ihf ihg ihh ihi ihl ihn iht ihu iib iif iih iii iil iin iit iiu il- ilb ilf ilg ilh ili ill iln ilt ilu in- inb inf ing inh ini inl inn int inu itb itf itg ith iti itl itn itt itu iu- iub iug iui iut lbb lbf lbg lbh lbi lbl lbt lbu lfb lff lfg lfh lfi lfl lfn lft lfu lgb lgf lgg lgh lgi lgl lgn lgt lgu lhb lhf lhh lhi lht lhu lib lif lig lih lii lil lin lit liu llb llf llg lli lll lln llt llu lnb lng lnh lni lnl lnn lnt lnu ltb ltf ltg lth lti ltl ltt ltu lub luf lug luh lui lul lun lut luu n-i nbb nbf nbg nbi nbl nbn nbt nbu nfb nff nfi nfl nfn nft nfu ngb ngf ngg ngh ngi ngl ngn ngt ngu nhb nhf nhg nhh nhi nhl nhn nht nhu nib nif nig nih nii nil nin nit niu nlb nlf nlg nlh nli nll nln nlt nlu nnb nnf nng nnh nni nnl nnn nnt nnu ntb ntf ntg nth nti ntn ntt ntu nub nug nuh nui nul nun nut nuu tbb tbf tbg tbh tbi tbl tbn tbt tbu tfb tff tfg tfh tfi tfl tfn tft tfu tgb tgf tgg tgh tgi tgl tgn tgt tgu th- thb thf thg thh thi thl thn tht thu tib tif tig tih tii til tin tit tiu tlf tlg tlh tli tll tln tlt tlu tnb tnf tng tnh tni tnl tnn tnt ttb ttf ttg tth tti ttl ttn ttt ttu tub tuf tug tuh tui tul tun tut tuu ubb ubf ubg ubh ubi ubl ubn ubt ubu uff ufg ufh ufi ufl ufn uft ufu ugb ugf ugg ugh ugi ugl ugn ugt ugu uhb uhf uhh uhi uhl uht uhu uib uif uig uii uil uin uit uiu ulb ulf ulg uli ull uln ult ulu un- unb unf ung unh uni unl unn unt unu utb utf uth uti utl utn utt utu uug uun uut uuu