bbb bbe bbi bbk bbl bbn be- beb bee bei bek bel ben bev bi- bib bie bii bik bil bin biv bkb bke bkk bkl bkn bkv blb ble bli blk bll bln blv bnb bne bni bnk bnl bnn bnv bvb bve bvi bvk bvl bvn bvv ebb ebe ebi ebk ebl ebn ebv eeb eee eek eel een eev eib eie eii eik eil ein eiv ekb eke eki ekl ekv elb ele eli elk ell eln elv en- enb ene eni enk enl enn env evb eve evi evl evn evv i-v ibb ibe ibi ibk ibl ibn ibv ie- iee iei iek iel ien iev iib iie iii iil iin ikb ike iki ikk ikl ikv il- ilb ile ili ilk ill iln ilv in- inb ine ini ink inl inn inv ivb ive ivi ivl ivv kbb kbe kbi kbk kbl kbn ke- keb kee kei kek kel ken kev kib kie kii kik kil kin kiv kkb kke kki kkk kkl kkn kkv kl- klb kli klv kn- kne kni knk knl knn kvb kvi kvk kvn kvv lbb lbe lbi lbk lbl lbv leb lee lei lek lel len lev lib lie lii lik lil lin liv lkb lkl llb lle lli llk lll lln llv lnb lne lni lnk lnl lnn lvb lve lvi lvl lvn lvv n-i nbb nbe nbi nbk nbl nbn nbv ne- neb nee nei nek nel nen nev nib nie nii nik nil nin niv nke nki nkk nkn nlb nle nli nlk nll nln nlv nnb nne nni nnk nnl nnn nnv nvb nve nvi nvk nvl nvn nvv v-e vbi vbk vbl vbv veb vee vei vek vel ven vi- vib vie vii vik vil vin viv vkb vl- vlb vle vlk vll vlv vn- vni vnl vnv vvb vvi vvv