-ic b-u bbb bbc bbe bbi bbl bbn bbu bcb bcc bce bci bcl bcn bcu bcz be- beb bec bee bei bel ben beu bez bi- bib bic bie bii bil bin biu biz blb blc ble bli bll bln blu blz bnb bnc bne bni bnl bnn bnu bnz bub buc bue bui bul bun buu buz bze bzn bzu bzz c-- cbb cbc cbe cbi cbl cbn cbu cbz ccb ccc cce cci ccl ccn ccu ccz ce- ceb cec cee cei cel cen ceu cez ci- cib cic cie cii cil cin ciu cl- clb clc cle cli cll cln clu clz cn- cnb cnc cne cni cnl cnn cnu cub cuc cue cui cul cun cuu cuz cz- czc cze ebb ebc ebe ebi ebl ebn ebu ec- ecb ecc ece eci ecl ecn ecu eeb eec eee eel een eib eic eie eii eil ein eiu elb elc ele eli ell eln elu elz en- enb enc ene eni enl enn enu enz eu- eub euc eue eui eul eun eze ezz ibb ibc ibe ibi ibl ibn ibu ibz icb icc ice ici icl icn icu icz ie- iec iee iei iel ien iib iic iie iii iil iin iiu il- ilb ilc ile ili ill iln ilu ilz in- inb inc ine ini inl inn inu iu- iub iuc iue iui iuz ize izi izu izz lbb lbc lbe lbi lbl lbu lcb lcc lce lci lcl lcn lcu leb lec lee lei lel len leu lez lib lic lie lii lil lin liu liz llb llc lle lli lll lln llu llz lnb lnc lne lni lnl lnn lnu lub luc lue lui lul lun luu luz lzi lzu n-i nbb nbc nbe nbi nbl nbn nbu ncb ncc nce nci ncl ncn ncu ne- neb nec nee nei nel nen neu nez nib nic nie nii nil nin niu niz nlb nlc nle nli nll nln nlu nlz nnb nnc nne nni nnl nnn nnu nnz nub nuc nue nui nul nun nuu nzb nze nzi nzz ubb ubc ube ubi ubl ubn ubu ucb ucc uce uci ucl ucn ucu ueb uec uee uei uel uen uib uic uie uii uil uin uiu ulb ulc ule uli ull uln ulu un- unb unc une uni unl unn unu uuc uue uun uuu uzb uzi uzu zbb zbc zbl zce zcl zeb zec zee zel zen zez zib zie zil zin ziz znc zne znn zub zuc zui zul zun zuz zzz