-er b-u bbb bbc bbe bbm bbn bbr bbu bcb bcc bce bcm bcn bcr bcu bcv be- beb bec bee bem ben ber beu bev bmb bmc bme bmm bmn bmr bmu bmv bnb bnc bne bnn bnr bnu bnv brb bre brm brn brr bru brv bub buc bue bum bun bur buu bvb bvc bve bvm bvn bvr bvu bvv c-- cbb cbc cbe cbm cbn cbr cbu cbv ccb ccc cce ccm ccn ccr ccu ccv ce- ceb cec cee cem cen cer ceu cev cmb cmc cme cmm cmn cmr cmu cmv cn- cnb cnc cne cnm cnn cnr cnu cnv crb crc cre crm crn crr cru crv cub cuc cue cum cun cur cuu cuv cvb cvc cve cvm cvn cvr cvu cvv ebb ebc ebe ebm ebn ebr ebu ebv ec- ecb ecc ece ecm ecn ecr ecu ecv eeb eec eee eem een eer eev em- emb emc eme emm emn emr emu emv en- enb enc ene enm enn enr enu env erb erc ere erm ern err eru erv eu- eub euc eue eun eur euv evb evc eve evm evn evr evv m-r m-v mbb mbc mbe mbm mbr mbu mbv mc- mcb mcc mce mcm mcn mcr mcu mcv meb mec mee mem men mer meu mev mmb mmc mme mmm mmn mmr mmu mmv mnb mnc mne mnm mnn mnr mnu mrb mrc mre mrm mrn mrr mru mrv mub muc mue mum mun mur muu mvb mvc mve mvm mvn mvr mvv nbb nbc nbe nbm nbn nbr nbu nbv ncb ncc nce ncm ncn ncr ncu ncv ne- neb nec nee nem nen ner neu nev nmb nmc nme nmm nmn nmr nmu nnb nnc nne nnm nnn nnu nnv nrb nrc nre nrm nrn nrr nru nrv nub nuc nue num nun nur nuu nuv nvb nvc nve nvm nvn nvu nvv rbb rbc rbe rbm rbn rbr rbu rcb rcc rce rcm rcn rcr rcu rcv re- reb rec ree rem ren rer reu rev rmb rmc rme rmm rmn rmr rmv rnb rnc rnm rnn rnr rnu rnv rrb rrc rrm rrn rrr rru rub ruc rue rum run rur ruu ruv rvb rvc rve rvm rvn rvr rvu rvv ubb ubc ube ubn ubr ubu ubv ucb ucc uce ucm ucn ucr ucu ucv ueb uec uee uem uen uer um- umb umc ume umm umn umr umu un- unb unc une unm unn unr unu unv ur- urb urc ure urm urn urr uru uuc uue uum uun uur uuu uvb uvc uve uvm uvu uvv v-e vbc vbm vbr vbv vcc vce vcm vcn vcr vcu veb vec vee vem ven ver veu vm- vmc vmm vmn vmr vmu vn- vnm vnr vnu vnv vrb vrc vre vrm vrn vrr vru vue vum vur vuv vvb vvc vvm vvr vvv

-ene bbbb bbcm bbeb bbrc bcbc bccc bccm bcec bcer bcnu bcru bcuc bebb bebe becu beeb beem been beer beme bemu bene benn benu berc bere berm bern berr beru beur bmce bmvc bner bnrr brcb brce breb brec bree brem bren brer brev brmc brrm brrr bruc brue brum brun bruv brvm bubb bube bubu bucc buce bucu buem buen buer bueu bum- bumb bunb bune bunn bunu bur- burb bure burm burn burr buru buve cbbc cbcc cbce cbcm cbcn cbcr cbcu cbec cbee cber cbme cbre cbrm cbrn cbvb cbve cbvn cbvr ccbc ccbn cccb cccc cccm cccu cccv ccee ccmb ccmc ccmm ccnb ccnc ccne ccnm ccnr ccnu ccrc ccre ccuc cebu cec- cece cecm ceeb ceec ceem cemb ceme cemm cemr cemu cen- cene cer- cerc cere cern cmbc cmcc cmcv cmec cmmb cmmc cmmn cmrn cmrr cnbc cnbm cnrc cnrr crbc crbu crcc crce crcr cre- creb crec cree crem cren creu crmb crmn crne crub crue crum crun cub- cubb cube cucc cuce cucm cucn cuer cum- cume cune curb cure curn curr cuve cvcc cven cver cvrr ebbc ebbr ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce eccm ecem ecne ecrc ecrm ecrr ecru ecrv eeee eerc eevn embe embr emcc emcn emen emer emeu emme emmu emne emre en-v enb- enbn enbr ence enee enem ener ennc enne ennu enue enum enur erbb erbe ercc erce ereb erec erem eren erer erev ermc erme erne errc erre erub eruc erum erur eruv erve eubc euer eumc eur- eurc eure even ever evre mcbc mccc mccv mcmc mcmv mcrc mcve mebe mec- mecc mece mecr meem meen meer memc meme memr memu men- menc mene menn menu mer- merb merc mere merm mern meru merv meum meve mmcc mmcm mmcv mmen mmmc mmmm mmrc mmun mnbb mnem mr-c mrbb mrbm mrcb mrcc mrce mreb mree mren mrmc mrnc mrrc mrvc mube muc- mucc muce mucu muee mume mumm mumu munc mune munn munu murc mure murn murr muru muve mvcc mvee nbbc nbcc nber ncbc nccc nccn nccr nccu ncec ncee ncem ncen ncer ncmm ncnc ncrc ncre ncue nebb nebe nebn nebr nebu necc nece necr neeb neem neen neer neev nem- neme nemn nemu nene nenu nerc nere nerm nerr neru nerv neuc neue neum neun neur neuu neve nm-e nmmc nmrc nnmc nnnn nrem nren nrrc nubc nube nuce nucu nuee nuer numb nume numm numu nunc nune nunn nurc nure nurn nurr nuru nurv nvcc nvmc rbbb rbbr rcbc rccb rccc rcnr rcuv rcvr rebb rebe rebu recc rece recm recr recu reeb reem reen reev reme remn rene renn renu rere reru reue reuu reve rmmv rmvb rnbr rrmc rrrr rrum rrun rubb rube rubu ruce ruen ruer rumb rume rumm runc rune runn rurc rure ruru ruun ruve ruvu rv-c rver ubbe uber ucbc ucmc ucrc umb- umbe umec umer unbe uncc unce uneb unec unee unen uner unmc unmr unne unum urbe ure- urne urre urum urun urur urve uuen uuuu uv-b uv-c uven uver uvvu v-me vbcc vecc veen