-ene bbbb bbeb bbpr bebb bebe beeb been beep beer behn behr bene benn benu bere bern berr beru beur bher bhur bhuu bner bnpp bnrr breb bree bren brep brer brrr brue bruh brun brup bubb bube bubu buen buer bueu buhe buhr bunb bune bunn bunu bur- burb bure burh burn burp burr buru ebbr eben eber ebru ebur eeee eheh ehen eher eheu ehre enb- enbn enbr enee ener enne ennu enp- enue enur epee epen eper eph- eppp eprb eprp epub erbb erbe ereb eren erer erhu erne erpe erre erub eruh erur euer eur- eure hebb hebe hebr heeb heep heer hehe hehn hene henh henn henu hepe hepp hepu herb here hern herp herr heru heue heun heur hhhh hppe hpue hree hrpp hrun hubb hube huer huhn huhu hune hunh hupe hupp hure hurn hurr huru huub n-up nber nbpp nebb nebe nebn nebr nebu neeb neen neep neer nehe nehu nene nenh nenu nepe neph nepr nere nerr neru neue neun neur neuu nheb nhnn nhrp nnnn nnpr nren nrpn nube nuee nuer nune nunn nupe nure nurn nurp nurr nuru peen peep peer pehe pehr pen- pene penh penn penu pepe per- pere perh pern perp perr peru peun peur phe- phen phrr phun pneu pnpp pnup ppen pper pppn pppp ppru ppur pre- preb pree pren prep preu prnp prue pruu pu-e pube pubu puer pueu puhn pune punu pupe pupu pur- purb pure purp purr puru rbbb rbbr rebb rebe rebu reeb reen reep rehb rehe rehn rene renn renu repe repp repr repu rere reru reue reup reuu rheb rhee rhen rhue rhun rnbr rppn rrrr rrun rubb rube rubp rubu ruen ruer ruhe ruhh ruhn ruhr rune runn rupe rupp rure rurp ruru ruun u-rp ubbe uber uher uhuh uhup unbe uneb unee unen uner unne upbe upen upne upnp uppe uppp uppu upup urbe ure- ureh urne urre urrh urun urup urur uuen uuuu