b-u bbb bbe bbi bbl bbn bbu be- beb bee bei bel ben beu bez bi- bib bie bii bil bin biu biz blb ble bli bll bln blu blz bnb bne bni bnl bnn bnu bnz bub bue bui bul bun buu buz bze bzn bzu bzz ebb ebe ebi ebl ebn ebu eeb eee eel een eib eie eii eil ein eiu elb ele eli ell eln elu elz en- enb ene eni enl enn enu enz eu- eub eue eui eul eun eze ezz ibb ibe ibi ibl ibn ibu ibz ie- iee iei iel ien iib iie iii iil iin iiu il- ilb ile ili ill iln ilu ilz in- inb ine ini inl inn inu iu- iub iue iui iuz ize izi izu izz lbb lbe lbi lbl lbu leb lee lei lel len leu lez lib lie lii lil lin liu liz llb lle lli lll lln llu llz lnb lne lni lnl lnn lnu lub lue lui lul lun luu luz lzi lzu n-i nbb nbe nbi nbl nbn nbu ne- neb nee nei nel nen neu nez nib nie nii nil nin niu niz nlb nle nli nll nln nlu nlz nnb nne nni nnl nnn nnu nnz nub nue nui nul nun nuu nzb nze nzi nzz ubb ube ubi ubl ubn ubu ueb uee uei uel uen uib uie uii uil uin uiu ulb ule uli ull uln ulu un- unb une uni unl unn unu uue uun uuu uzb uzi uzu zbb zbl zeb zee zel zen zez zib zie zil zin ziz zne znn zub zui zul zun zuz zzz