-ene bbbb bbdd bbeb bbet bbpr bd-r bebb bebe bede bedu beeb beed been beep beer beet bend bene benn bent benu berd bere bern berr bert beru bete bett betu beur bner bnet bnpp bnrr bprd brdt breb bred bree bren brep brer bret brrr brud brue brun brup brut btbp btdt bten btrt bttb bubb bube bubu budb budd bude budu buen buer bueu bunb bund bune bunn bunt bunu bur- burb burd bure burn burp burr burt buru but- bute butt dbpd dbrn dbtt dddd ddre ddub debe debt debu dedd dede dedu deeb deed deen deep deer deet dene denn dent denu depe depp depr dept der- derb dere dern derp derr dete detn detr deue deur deut dner dnet dntp dntt dnut dpdt dper dred dree dren dret drub drue drup drut druu dtdp dted dten dtnb dttp dub- dubb dube dubu dudd dude dudu duer duet dune dunn dunt dupe dure durn durt duru dute dutp duur duut ebbr ebed eben eber ebru ebur edde eddp ede- eden eder edrn edru edun edup edur eede eedu eeee eend eent eete eetu enb- enbn enbr end- ende endu ened enee ener enne ennu enp- ent- entd ente entp entr enue enur enut epee epen eper eppp eprb eprp epte epub erbb erbe erde ereb ered eren erer eret erne erpe erre ertu erub erur etbr etee eten eter etne etnr etre ette ettn ettu etun eude euer eur- eure eurt n-up nber nbpp nddb ndde nder ndnp ndnt ndpd ndpr ndre ndut nebb nebe nebn nebr nebu nedd nede nedu neeb need neen neep neer neet nend nene nent nenu nepe nepr nept nerd nere nerr nert neru net- netb netd nete nett neue neun neur neut neuu nndb nnnn nnpr nntn nppd nprt npte nptn nren nrpn nrrd nter nteu ntnd ntnu ntpd ntru nttr nube nudd nude nuee nuer nune nunn nunt nupe nurd nure nurn nurp nurr nurt nuru nute nutt nutu pbed pdpn pdpr ped- pede peed peen peep peer peet pen- pend pene penn pent penu pepd pepe per- perd pere pern perp perr pert peru pete petn petr pett peun peur peut pnet pneu pnpp pntd pntr pnup ppen pper pppd pppn pppp ppru pptn pptt ppur pre- preb pred pree pren prep pret preu prnd prnp prpd prrd prtp prtr prud prue prut pruu pten pter ptpd ptrd pu-e pube pubu pudu pued puer puet pueu pund pune punt punu pupe pupu pur- purb pure purp purr puru put- pute putt putu rbbb rbbr rdbp rder rebb rebe rebu redd rede redr redu reeb reed reen reep reet rend rene renn rent renu repe repp repr rept repu rerd rere rert reru retd rete retr rett reue reup reut reuu rnbr rndp rnnt rntd rntp rnut rpdp rpet rppn rptd rptn rred rrrr rrun rtdt rtee rtnd rttp rubb rube rubp rubu rudd rude rudp rued ruen ruer ruet rund rune runn runt rupe rupp rupt rurd rure rurp ruru rute rutt rutu ruud ruun tbrb tbtp tddb tebu tedd tede teed teen teer teet tenb tend tene tenn tenp tent tenu tepe tepp tepu ter- tere tern terp terr teru tete tetr tett tetu teut tndd tneb tnut tpdu tped tper tppd tppp tppr tpte tptp tptr tput tre- tred tree tren tret treu trpe trpn trpp trte trtr trub trud true trun trut truu ttbb tten tter tttt tubb tube tubr tubu tude tudu tuen tuer tuet tunb tund tune tunn tunu tupe tupu turb turd ture turn turp turr turt turu tute tutt tutu u-rp ubbe uber ubet ubud uden uder udet udpd udun uend unbd unbe unde uneb uned unee unen uner unne untb unte unut upbe uped upen upne upnp uppe uppp uppu upup urbe urde urdu ure- ured uret urne urre urte urun urup urur urut utep uter utne utpd uttu uuen uuuu