-ene bbbb bbch bbcm bbeb bbrc bcbc bccc bccm bcec bcer bche bcnu bcru bcuc bebb bebe bech becu beeb beem been beer behm behn behr beme bemu bene benn benu berc bere berm bern berr beru beur bhcc bher bhur bhuu bmce bmnh bner bnrr brcb brce breb brec bree brem bren brer brmc brrm brrr bruc brue bruh brum brun bubb bube bubu bucc buce buch bucu buem buen buer bueu buhe buhr bum- bumb bunb bune bunn bunu bur- burb bure burh burm burn burr buru cbbc cbcc cbce cbcm cbcn cbcr cbcu cbec cbee cber cbme cbre cbrh cbrm cbrn ccbc ccbn cccb cccc cccm cccu ccee cche cchr 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 chce chch chcm cheb chec chee cheh chem chen cher cheu chmb chmc chmn chnb chnc chnm chnr chrb chrc chrn chrr chub chum chun chur cmbc cmcc cmec cmhc cmmb cmmc cmmn cmnh cmrn cmrr cnbc cnbm cnrc cnrr crbc crbu crcc crce crcr cre- creb crec cree creh 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 ebbc ebbr ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce eccm ecem eche ecne ecrc ecrm ecrr ecru eeee eerc ehcc eheh ehen eher eheu ehre embe embr emcc emcn emen emer emeu emhc emme emmu emne emre enb- enbn enbr ence ench enee enem ener ennc enne ennu enue enum enur erbb erbe ercc erce erch ereb erec erem eren erer erhc erhu ermc erme erne errc erre erub eruc eruh erum erur eubc euch euer eumc eur- eurc eure hcbc hccb hccc hcch hcmc hcmm hebb hebe hebr hech heeb heem heer hehe hehn hem- heme hemu hene henh henn henu herb herc here herm hern herr heru heue heun heur hhhh hmhb hmmm hmun hnce hree hrrc hrun hubb hube huch hucu huer huhn huhu hume humh humm hunc hune hunh hure hurn hurr huru huub mcbc mccc mcmc mcrc mebe mec- mecc mece mech mecr meem meen meer mehe mehr mehu memc meme memr memu men- menc mene menn menu mer- merb merc mere merm mern meru meum mhem mhmm mhmr mmcc mmcm mmen mmhm mmmc mmmh mmmm mmrc mmun mnbb mnem mr-c mrbb mrbm mrcb mrcc mrce mreb mree mren mrmc mrnc mrrc mube muc- mucc muce much mucu muee muhr muhu mume mumm mumu munc mune munn munu murc mure murn murr muru nbbc nbcc nber nbhm ncbc nccc nccn nccr nccu ncec ncee ncem ncen ncer nchc ncmh ncmm ncnc ncrc ncre ncue nebb nebe nebn nebr nebu necc nece nech necr neeb neem neen neer nehe nehu nem- neme nemn nemu nene nenh nenu nerc nere nerm nerr neru neuc neue neum neun neur neuu nhcc nheb nhmc nhnn nhrc nm-e nmmc nmnh nmrc nnmc nnnn nrem nren nrrc nubc nube nuce nuch nucu nuee nuer numb nume numm numu nunc nune nunn nurc nure nurn nurr nuru rbbb rbbr rcbc rccb rccc rchb rchm rcnr rebb rebe rebu recc rece rech recm recr recu reeb reem reen rehb rehe rehm rehn reme remn rene renn renu rere reru reue reuu rhce rhcm rheb rhee rhem rhen rhue rhum rhun rnbr rrmc rrrr rrum rrun rubb rube rubu ruce ruch ruen ruer ruhe ruhh ruhm ruhn ruhr rumb rume rumm runc rune runn rurc rure ruru ruun ubbe uber ucbc uche ucmc ucrc uher uhuh umb- umbe umec umer unbe uncc unce unch uneb unec unee unen uner unmc unmr unne unum urbe urch ure- ureh urne urre urrh urum urun urur uuen uuuu