b-u bbb bbe bbi bbk bbl bbm bbn bbu be- beb bee bei bek bel bem ben beu bi- bib bie bii bik bil bim bin biu bkb bke bkk bkl bkm bkn blb ble bli blk bll blm bln blu bmb bme bmi bmk bml bmm bmn bmu bnb bne bni bnk bnl bnn bnu bub bue bui buk bul bum bun buu ebb ebe ebi ebk ebl ebm ebn ebu eeb eee eek eel eem een eib eie eii eik eil eim ein eiu ekb eke eki ekl eku elb ele eli elk ell elm eln elu em- emb eme emi emk eml emm emn emu en- enb ene eni enk enl enm enn enu eu- eub eue eui eul eun ibb ibe ibi ibk ibl ibm ibn ibu ie- iee iei iek iel iem ien iib iie iii iil iim iin iiu ikb ike iki ikk ikl iku il- ilb ile ili ilk ill ilm iln ilu im- imb ime imi iml imm imn imu in- inb ine ini ink inl inm inn inu iu- iub iue iui ium kbb kbe kbi kbk kbl kbm kbn kbu ke- keb kee kei kek kel kem ken kib kie kii kik kil kim kin kiu kkb kke kki kkk kkl kkm kkn kku kl- klb kli klm klu kmb kme kmi kmk kml kmm kmu kn- kne kni knk knl knm knn knu kub kue kui kuk kul kum kun kuu lbb lbe lbi lbk lbl lbm lbu leb lee lei lek lel lem len leu lib lie lii lik lil lim lin liu lkb lkl llb lle lli llk lll llm lln llu lmb lme lmi lmk lml lmm lmn lmu lnb lne lni lnk lnl lnm lnn lnu lub lue lui luk lul lum lun luu mbb mbe mbi mbk mbl mbm mbu meb mee mei mek mel mem men meu mi- mib mie mii mik mil mim min miu mkb mke mkk mkl mkm mkn mku mlb mle mli mlk mll mlm mln mlu mmb mme mmi mmk mml mmm mmn mmu mnb mne mni mnk mnl mnm mnn mnu mub mue mui muk mul mum mun muu n-i nbb nbe nbi nbk nbl nbm nbn nbu ne- neb nee nei nek nel nem nen neu nib nie nii nik nil nim nin niu nke nki nkk nkm nkn nku nlb nle nli nlk nll nlm nln nlu nmb nme nmi nmk nml nmm nmn nmu nnb nne nni nnk nnl nnm nnn nnu nub nue nui nuk nul num nun nuu ubb ube ubi ubk ubl ubn ubu ueb uee uei uel uem uen uib uie uii uil uim uin uiu ukb uke uki ukk ukl ukn uku ulb ule uli ulk ull ulm uln ulu um- umb ume umi uml umm umn umu un- unb une uni unk unl unm unn unu uue uum uun uuu