b-u bbb bbe bbi bbk bbl bbm bbn bbs bbu be- beb bee bei bek bel bem ben bes beu bi- bib bie bii bik bil bim bin bis biu bkb bke bkk bkl bkm bkn bks blb ble bli blk bll blm bln bls blu bmb bme bmi bmk bml bmm bmn bms bmu bnb bne bni bnk bnl bnn bns bnu bsb bse bsi bsk bsl bsm bsn bss bsu bub bue bui buk bul bum bun bus buu ebb ebe ebi ebk ebl ebm ebn ebs ebu eeb eee eek eel eem een ees eib eie eii eik eil eim ein eis eiu ekb eke eki ekl eks eku elb ele eli elk ell elm eln els elu em- emb eme emi emk eml emm emn ems emu en- enb ene eni enk enl enm enn ens enu es- esb ese esi esk esl esm esn ess esu eu- eub eue eui eul eun eus ibb ibe ibi ibk ibl ibm ibn ibs ibu ie- iee iei iek iel iem ien ies iib iie iii iil iim iin iis iiu ikb ike iki ikk ikl iks iku il- ilb ile ili ilk ill ilm iln ils ilu im- imb ime imi iml imm imn ims imu in- inb ine ini ink inl inm inn ins inu is- isb ise isi isk isl ism isn iss isu iu- iub iue iui ium ius kbb kbe kbi kbk kbl kbm kbn kbs kbu ke- keb kee kei kek kel kem ken kes kib kie kii kik kil kim kin kis kiu kkb kke kki kkk kkl kkm kkn kks kku kl- klb kli klm kls klu kmb kme kmi kmk kml kmm kms kmu kn- kne kni knk knl knm knn knu ksb kse ksi ksk ksl ksm ksn kss ksu kub kue kui kuk kul kum kun kus kuu lbb lbe lbi lbk lbl lbm lbs lbu leb lee lei lek lel lem len les leu lib lie lii lik lil lim lin lis liu lkb lkl lks llb lle lli llk lll llm lln lls llu lmb lme lmi lmk lml lmm lmn lms lmu lnb lne lni lnk lnl lnm lnn lns lnu lsb lse lsi lsk lsl lsm lsn lss lsu lub lue lui luk lul lum lun lus luu mbb mbe mbi mbk mbl mbm mbs mbu meb mee mei mek mel mem men mes meu mi- mib mie mii mik mil mim min mis miu mkb mke mkk mkl mkm mkn mks mku mlb mle mli mlk mll mlm mln mls mlu mmb mme mmi mmk mml mmm mmn mms mmu mnb mne mni mnk mnl mnm mnn mns mnu msb mse msi msk msl msm msn mss msu mub mue mui muk mul mum mun mus muu n-i nbb nbe nbi nbk nbl nbm nbn nbs nbu ne- neb nee nei nek nel nem nen nes neu nib nie nii nik nil nim nin nis niu nke nki nkk nkm nkn nks nku nlb nle nli nlk nll nlm nln nls nlu nmb nme nmi nmk nml nmm nmn nms nmu nnb nne nni nnk nnl nnm nnn nns nnu nsb nse nsi nsk nsl nsm nsn nss nsu nub nue nui nuk nul num nun nus nuu sbb sbe sbi sbk sbl sbm sbn sbs sbu se- seb see sei sek sel sem sen ses seu sib sie sii sik sil sim sin sis siu sk- skb ske ski skk skl skm sks sku slb sle sli slk sll slm sln sls slu smb sme smi smk sml smm smn sms smu snb sne sni snk snl snm snn sns snu ss- ssb sse ssi ssk ssl ssm ssn sss ssu sub sue sui suk sul sum sun sus suu ubb ube ubi ubk ubl ubn ubs ubu ueb uee uei uel uem uen ues uib uie uii uil uim uin uis uiu ukb uke uki ukk ukl ukn uku ulb ule uli ulk ull ulm uln uls ulu um- umb ume umi uml umm umn ums umu un- unb une uni unk unl unm unn uns unu usb use usi usk usl usm usn uss usu uue uum uun uus uuu