-ene bbbb bbeb bbet bbng bbrc bbrg bcbc bcbg bccc bcec bcer bcet bcnu bcru bctc bcuc bebb bebe becu beeb beeg been beer beet begg begu bene beng benn bent benu berc bere berg bern berr bert beru betc bete bett betu beur bgun bneg bner bnet bnrr brcb brce breb brec bree breg bren brer bret brrr brtc bruc brue brug brun brut btcc btec bten btrc btrt bttb bubb bube bubu bucc buce bucu buen buer bueu buge bugg bunb bune bung bunn bunt bunu bur- burb bure burg burn burr burt buru but- bute butt cbbc cbcc cbce cbcn cbcr cbct cbcu cbec cbee cber cbet cbgb cbre cbrn cbrt cbtc ccbc ccbn cccb cccc cccu ccee ccgc ccgt ccnb ccnc ccne ccnr ccnu ccrc ccre ccrg ccrt cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec cege cen- cene ceng cent cer- cerc cere cern cert cet- cete cgcc cgcg cger cgtu cnbc cnet cnrc cnrr cnrt cntc cntr cnut crbc crbu crcc crce crcr cre- creb crec cree creg cren cret creu crne crrt crtc crub crue crug crun crut ctec cten ctge ctgu ctne ctrc ctrn cttn cub- cubb cube cucc cuce cucn cuer cune cunt curb cure curn curr curt cut- cutc cute cutt ebbc ebbr ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce ecct ecne ecrc ecrr ecru ect- ectc eeee eeng eent eerc eerg eetc eete eetu egbe egbu egcc egcg egcr egec egee eger eggb egge egne egnt egre egte enb- enbn enbr ence enee eneg ener enge engg engr ennc enne ennu ent- ente entr enue enur enut erbb erbe ercc erce ereb erec eren erer eret erg- ergg erne errc erre ertu erub eruc erur etbc etbr etcc etec etee eten eter etne etnr etre ette ettn ettu etun eubc euer euge eur- eurc eure eurt gc-c gcbc gccc gcet gcrg gctc gebe gece geen geer geet gege gegg gen- genc gene geng genn gent genu gerb gere gern gert geru getb gete getg gett geue geun ggbt gggg ggrn gncc gnet gneu gngc gnrc gnrr grbr grcc grce greb grec gree greg gren gret greu grrr grtc grub grue grug grun grur grut gtbr gtcr gubb gubu guen guer gugb guge gugg gugu gung gunn gunt gurb gure gurg gurn gurr gurt guru gute gutt gutu nbbc nbcc nber ncbc nccc nccn nccr ncct nccu ncec ncee ncen ncer ncgr ncnc ncrc ncre nctc ncte nctr ncue nebb nebe nebn nebr nebu necc nece necr nect neeb neen neer neet nege nene neng nent nenu nerc nere nerr nert neru net- netb nete nett neuc neue neun neur neut neuu ngen nger ngtn ngur nguu nngn nnnn nntn nren nrrc ntbc ntcc nter nteu ntnu ntrc ntru nttr ntuc nubc nube nuce nucu nuee nuer nunc nune nung nunn nunt nurc nure nurn nurr nurt nuru nute nutt nutu rbbb rbbr rcbc rccb rccc rcet rcgc rcnr rcrg rctc rctg rebb rebe rebu recc rece recr rect recu reeb reen reet rege regn regr regt regu rene reng renn rent renu rere rerg rert reru rete retr rett reue reut reuu rgbe rgtr rnbr rnnt rnut rrrr rrun rtcc rtce rtcg rtee rubb rube rubu ruce ruct ruen ruer ruet ruge rugg runc rune rung runn runt rurc rure ruru rute rutt rutu ruun tbcb tbcc tbce tbrb tccc tccu tcnn tctc tebu tecr tect teec teen teer teet tegg tegt tegu tenb tenc tene teng tenn tent tenu ter- terc tere tern terr teru tete tetr tett tetu teut tgcc tgtc tnbc tncc tneb tnge tnut trcc tre- trec tree treg tren tret treu trge trng trtc trte trtr trub truc true trug trun trut truu ttbb ttcn tten tter tttt tubb tube tubr tubu tucc tuen tuer tuet tugg tugu tunb tunc tune tung tunn tunu turb turc ture turg turn turr turt turu tute tutt tutu ubbe uber ubet ucbc ucrc ucut ugcc ugcg uggt ugne ugur uguu unbe uncc unce uncg unct uneb unec unee unen uner ungu unne untb unte unut urbe ure- uret urge urgu urne urre urte urun urur urut utec uter utne uttu utug uuen uuuu