-er b-u bbb bbc bbe bbm bbn bbr bbu bcb bcc bce bcm bcn bcr bcu be- beb bec bee bem ben ber beu bmb bmc bme bmm bmn bmr bmu bnb bnc bne bnn bnr bnu brb bre brm brn brr bru bub buc bue bum bun bur buu c-- cbb cbc cbe cbm cbn cbr cbu ccb ccc cce ccm ccn ccr ccu ce- ceb cec cee cem cen cer ceu cmb cmc cme cmm cmn cmr cmu cn- cnb cnc cne cnm cnn cnr cnu crb crc cre crm crn crr cru cub cuc cue cum cun cur cuu ebb ebc ebe ebm ebn ebr ebu ec- ecb ecc ece ecm ecn ecr ecu eeb eec eee eem een eer em- emb emc eme emm emn emr emu en- enb enc ene enm enn enr enu erb erc ere erm ern err eru eu- eub euc eue eun eur m-r mbb mbc mbe mbm mbr mbu mc- mcb mcc mce mcm mcn mcr mcu meb mec mee mem men mer meu mmb mmc mme mmm mmn mmr mmu mnb mnc mne mnm mnn mnr mnu mrb mrc mre mrm mrn mrr mru mub muc mue mum mun mur muu nbb nbc nbe nbm nbn nbr nbu ncb ncc nce ncm ncn ncr ncu ne- neb nec nee nem nen ner neu nmb nmc nme nmm nmn nmr nmu nnb nnc nne nnm nnn nnu nrb nrc nre nrm nrn nrr nru nub nuc nue num nun nur nuu rbb rbc rbe rbm rbn rbr rbu rcb rcc rce rcm rcn rcr rcu re- reb rec ree rem ren rer reu rmb rmc rme rmm rmn rmr rnb rnc rnm rnn rnr rnu rrb rrc rrm rrn rrr rru rub ruc rue rum run rur ruu ubb ubc ube ubn ubr ubu ucb ucc uce ucm ucn ucr ucu ueb uec uee uem uen uer um- umb umc ume umm umn umr umu un- unb unc une unm unn unr unu ur- urb urc ure urm urn urr uru uuc uue uum uun uur uuu

-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 bner bnrr brcb brce breb brec bree brem bren brer brmc brrm brrr bruc brue brum brun bubb bube bubu bucc buce bucu buem buen buer bueu bum- bumb bunb bune bunn bunu bur- burb bure burm burn burr buru cbbc cbcc cbce cbcm cbcn cbcr cbcu cbec cbee cber cbme cbre cbrm cbrn ccbc ccbn cccb cccc cccm cccu 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 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 ebbc ebbr ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce eccm ecem ecne ecrc ecrm ecrr ecru eeee eerc embe embr emcc emcn emen emer emeu emme emmu emne emre enb- enbn enbr ence enee enem ener ennc enne ennu enue enum enur erbb erbe ercc erce ereb erec erem eren erer ermc erme erne errc erre erub eruc erum erur eubc euer eumc eur- eurc eure mcbc mccc mcmc mcrc mebe mec- mecc mece mecr meem meen meer memc meme memr memu men- menc mene menn menu mer- merb merc mere merm mern meru meum mmcc mmcm mmen mmmc mmmm mmrc mmun mnbb mnem mr-c mrbb mrbm mrcb mrcc mrce mreb mree mren mrmc mrnc mrrc mube muc- mucc muce mucu muee mume mumm mumu munc mune munn munu murc mure murn murr muru 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 nem- neme nemn nemu nene nenu nerc nere nerm nerr neru neuc neue neum neun neur neuu 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 rbbb rbbr rcbc rccb rccc rcnr rebb rebe rebu recc rece recm recr recu reeb reem reen reme remn rene renn renu rere reru reue reuu rnbr rrmc rrrr rrum rrun rubb rube rubu ruce ruen ruer rumb rume rumm runc rune runn rurc rure ruru ruun 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 uuen uuuu

bbbee be-er beber becue becum beebe beene bembe bemer bence bene- benne bennu benue benun benur berbe bercu berec beren berme berne berre berru berum berun beuer beure brebu brece breem breen breer breme bremm brene brenn brere breu- brmmm brrrr bruce bruen bruer brume brumm brune brunn bruun bubbe buben buber bucum bucur bumbu bumme bunce bunne bunun burcu buren burn- burne burru buruc burun ccccc cebec ceber cecum cecun ceene ceere cemec cemre cence ceneu cerbu cerc- cerce cerec ceren cerer cerne cerre cmene cmere cmune cneru cnnnn crebe crece creem creen creer creme cren- creu- creue crnce crnec crner cruce crumb crume crune crure cubbe cubeb cuber cubub cumbe cumbu cumec cumm- cunne curce curer curre ebber ebene ebern ebner ebure eccen ecume eeeee eembc eence eener embee ember embue embun emcee emeer emere emmen emmer emnem emure enbun encre encur enmer enmun enrum enure enurn erbbe erben erber ereen erem- erere ernen eucen eucre eum-u eurre mbebe mbere mbube mburu mcbee mccue mcnee mcree mcren mcube mebbe mecum meece meemu meene meere membe memer mence menem menen mener menne merce merer merre merur meuer meure mmccc mmmcc mmmmm mnem- mneme mrcub mreru