-ene bbbb bbdd bbeb bd-r bdrm bebb bebe bede bedu beeb beed beem been beer beme bemu bend bene benn benu berd bere berm bern berr beru beur bmdb bner bnrr brdm breb bred bree brem bren brer brrm brrr brud brue brum brun bubb bube bubu budb budd bude budu buem buen buer bueu bum- bumb bunb bund bune bunn bunu bur- burb burd bure burm burn burr buru dbrn dddd ddre ddub debe debu dedd dede dedu deeb deed deem deen deer dem- demb demd deme demn demu dene denn denu der- derb dere derm dern derr deue deum deur dmrb dner dred dree drem dren drub drue drum druu dub- dubb dube dubu dudd dude dudu duer dumb dume dumm dune dunn dure durn duru duur ebbr ebed eben eber ebru ebur edde eddm ede- edem eden eder edme edrm edrn edru edun edur eede eedu eeee eend embd embe embr emen emer emeu emme emmu emne emre enb- enbn enbr end- ende endu ened enee enem ener enne ennu enue enum enur erbb erbe erde ereb ered erem eren erer erme erne erre erub erum erur eude eudm euer eur- eure mbdb mbed mddm mden mdme mdud mebe medb medd mede medu meed meem meen meer meme memr memu men- mend mene menn menu mer- merb merd mere merm mern meru meum mmdb mmen mmmd mmmm mmun mnbb mndr mnem mrbb mrbm mrdd mreb mred mree mren mrmd mrud mube mudd mude mudu mued muee mume mumm mumu mund mune munn munu murd mure murn murr muru nber ndbm nddb ndde nder ndre nebb nebe nebn nebr nebu nedd nede nedu neeb need neem neen neer nem- neme nemn nemu nend nene nenu nerd nere nerm nerr neru neue neum neun neur neuu nm-e nndb nnnn nrem nren nrrd nube nudd nude nuee nuer numb nume numm numu nune nunn nurd nure nurn nurr nuru rbbb rbbr rdbm rder rebb rebe rebu redd rede redr redu reeb reed reem reen reme remn rend rene renn renu rerd rere reru reue reuu rnbr rndm rred rrrr rrum rrun rubb rube rubu rudd rude rued ruen ruer rumb rume rumm rund rune runn rurd rure ruru ruud ruun ubbe uber ubud udem uden uder udun uend umb- umbe umde umer unbd unbe unde uneb uned unee unen uner unmr unne unum urbe urde urdu ure- ured urne urre urum urun urur uuen uuuu