b-u bbb bbe bbf bbg bbi bbl bbm bbn bbu be- beb bee bef beg bei bel bem ben beu bfb bfe bff bfg bfi bfl bfm bfn bfu bgb bge bgf bgg bgi bgl bgm bgn bgu bi- bib bie bif big bii bil bim bin biu blb ble blf blg bli bll blm bln blu bmb bme bmf bmg bmi bml bmm bmn bmu bnb bne bnf bng bni bnl bnn bnu bub bue buf bug bui bul bum bun buu ebb ebe ebf ebg ebi ebl ebm ebn ebu eeb eee eef eeg eel eem een ef- efb efe eff efg efi efl efm egb ege egf egg egi egl egm egn egu eib eie eif eig eii eil eim ein eiu elb ele elf elg eli ell elm eln elu em- emb eme emf emg emi eml emm emn emu en- enb ene enf eng eni enl enm enn enu eu- eub eue euf eug eui eul eun fbb fbe fbf fbg fbi fbl fbm fbn fbu feb fee fef feg fei fel fem fen feu ffe fff ffg ffi ffl ffm ffn ffu fgb fge fgf fgg fgi fgl fgm fgn fib fie fif fig fii fil fim fin fiu flb fle flf flg fli fll flm fln flu fmb fme fmf fmg fmi fml fmm fmn fmu fnb fne fnf fng fni fnl fnm fnn fnu fub fue fuf fug fui ful fum fun fuu gbe gbf gbg gbi gbl gbm gbn gbu ge- geb gee gef geg gei gel gem gen geu gfb gfe gff gfi gfl gfm ggb ggg ggi ggm ggn ggu gib gie gif gig gii gil gim gin giu glb gle glf glg gli gll glm gln glu gmb gme gmf gmg gmi gml gmm gmn gnb gne gnf gni gnl gnm gnn gnu gu- gub gue guf gug gui gul gum gun guu i-f ibb ibe ibf ibg ibi ibl ibm ibn ibu ie- iee ief ieg iei iel iem ien ifb ife iff ifg ifi ifl ifm ifn ifu igb ige igf igg igi igl igm ign igu iib iie iif iii iil iim iin iiu il- ilb ile ilf ilg ili ill ilm iln ilu im- imb ime imf img imi iml imm imn imu in- inb ine inf ing ini inl inm inn inu iu- iub iue iug iui ium lbb lbe lbf lbg lbi lbl lbm lbu leb lee lef leg lei lel lem len leu lfb lfe lff lfg lfi lfl lfm lfn lfu lgb lge lgf lgg lgi lgl lgm lgn lgu lib lie lif lig lii lil lim lin liu llb lle llf llg lli lll llm lln llu lmb lme lmf lmg lmi lml lmm lmn lmu lnb lne lng lni lnl lnm lnn lnu lub lue luf lug lui lul lum lun luu m-f mbb mbe mbf mbg mbi mbl mbm mbu meb mee mef meg mei mel mem men meu mfb mfe mff mfg mfi mfl mfm mfn mfu mgb mge mgf mgi mgl mgm mgn mgu mi- mib mie mif mig mii mil mim min miu mlb mle mlf mlg mli mll mlm mln mlu mmb mme mmf mmg mmi mml mmm mmn mmu mnb mne mnf mng mni mnl mnm mnn mnu mub mue muf mug mui mul mum mun muu n-i nbb nbe nbf nbg nbi nbl nbm nbn nbu ne- neb nee nef neg nei nel nem nen neu nfb nfe nff nfi nfl nfn nfu ngb nge ngf ngg ngi ngl ngm ngn ngu nib nie nif nig nii nil nim nin niu nlb nle nlf nlg nli nll nlm nln nlu nmb nme nmg nmi nml nmm nmn nmu nnb nne nnf nng nni nnl nnm nnn nnu nub nue nug nui nul num nun nuu ubb ube ubf ubg ubi ubl ubn ubu ueb uee uef ueg uei uel uem uen ufe uff ufg ufi ufl ufm ufn ufu ugb uge ugf ugg ugi ugl ugm ugn ugu uib uie uif uig uii uil uim uin uiu ulb ule ulf ulg uli ull ulm uln ulu um- umb ume umf umg umi uml umm umn umu un- unb une unf ung uni unl unm unn unu uue uug uum uun uuu