-ene bbbb bbch bbdd bbeb bbrc bcbc bccc bcde bcec bcer bchd bche bcnu bcru bcuc bd-r bdbc bddc bddh bebb bebe bech becu bede bedu beeb beed been beer behn behr bend bene benn benu berc berd bere bern berr beru beur bhcc bher bhur bhuu bner bnrr brcb brce breb brec bred bree bren brer brrr bruc brud brue bruh brun bubb bube bubu bucc buce buch bucu budb budd bude budu buen buer bueu buhe buhr bunb bund bune bunn bunu bur- burb burd bure burh burn burr buru c-cd cbbc cbcc cbce cbcn cbcr cbcu cbdb cbdc cbdn cbec cbee cber cbnd cbrd cbre cbrh cbrn ccbc ccbn cccb cccc cccu ccdc ccdh ccdn ccdr cced ccee cche cchr ccnb ccnc ccne ccnr ccnu ccrc ccre ccuc cd-e cd-r cddb cddr cdec cder cdnb cdnc cdre cebu cec- cece cedd cede cedu ceeb ceec cen- cend cene cer- cerc cerd cere cern chce chch cheb chec ched chee cheh chen cher cheu chnb chnc chnr chrb chrc chrd chrn chrr chub chud chun chur cnbc cndd cnrc cnrr crbc crbu crcc crce crcr crdc cre- creb crec cred cree creh cren creu crne crub crud crue crun cub- cubb cube cucc cuce cucn cude cued cuer cund cune curb curd cure curn curr dbcc dbrn dcbc dccb dccc dccu dcdb dche dddd ddrc ddre ddub debe debu dec- decc decd dece dedd dede dedu deeb deed deen deer dehn dehu dene denn denu der- derb derc dere dern derr deue deur dhec dhed dhee dher dhrn dhun dhur dnce dner dnrc drbc dred dree dreh dren drnh drub drue druu dub- dubb dubc dube dubh dubu duce duch dudd dude dudu duer duhe duhr duhu dunc dune dunn dure durn duru duur ebbc ebbr ebcc ebed eben eber ebru ebur ecbc ecbe eccb eccc ecce ecdc eced eche ecne ecrc ecrr ecru eddc edde ede- edeh eden eder edrn edru educ edun edur eede eedu eeee eend eerc ehcc ehdd eheh ehen eher eheu ehre ehud enb- enbn enbr ence ench end- ende endh endu ened enee ener ennc enne ennu enue enur erbb erbe ercc erce erch erde ereb erec ered eren erer erhc erhu erne errc erre erub eruc eruh erur eubc eucd euch eude euer eur- eurc eure hbcd hcbc hccb hccc hcch hcdr hcrd hebb hebe hebr hech hedd hede heeb heed heer hehe hehn hend hene henh henn henu herb herc herd here hern herr heru heue heun heur hhhh hnce hndd hrdc hrdn hree hrrc hrud hrun hubb hube huch hucu hudd hude hudu hued huer huhn huhu hunc hund hune hunh hurd hure hurn hurr huru huub nbbc nbcc nber nbhd ncbc nccc nccn nccr nccu ncdc ncdn ncdr ncdu ncec nced ncee ncen ncer nchc nchd ncnc ncnd ncrc ncre ncue ndcc nddb ndde nder ndrc ndre nebb nebe nebn nebr nebu necc nece nech necr nedc nedd nede nedu neeb need neen neer nehe nehu nend nene nenh nenu nerc nerd nere nerr neru neuc neue neun neur neuu nhcc nheb nhnn nhrc nndb nnnn nrdc nren nrrc nrrd nubc nube nuce nuch nucu nudc nudd nude nuee nuer nunc nune nunn nurc nurd nure nurn nurr nuru rbbb rbbr rcbc rccb rccc rcdc rcde rchb rcnr rcrd rder rebb rebe rebu recc recd rece rech recr recu redc redd rede redh redr redu reeb reed reen rehb rehe rehn rend rene renn renu rerd rere reru reue reuu rhce rheb rhee rhen rhue rhun rnbr rndc rred rrrr rrun rubb rube rubu ruce ruch rudd rude rued ruen ruer ruhe ruhh ruhn ruhr runc rund rune runn rurc rurd rure ruru ruud ruun ubbe uber ubud ucbc ucdc ucdd uche ucrc udbc uden uder udun uend uh-d uhde uher uhuh unbd unbe uncc unce unch unde uneb unec uned unee unen uner unne urbe urch urde urdu ure- ured ureh urne urre urrh urun urur uuen uuuu