-ene bbbb bbdd bbeb bbfn bblb bd-r bdle bduf bebb bebe bede bedl bedu beeb beed beef beel been beer befe beff beld bele bell belu bend bene benn benu berd bere bern berr beru beur bffl bldr bleb bled blee bleu blub blud blue bluf blur bner bnrr breb bred bree bref brel bren brer brfu brrr brud brue brun bubb bube bubu budb budd bude budl budu buel buen buer bueu bufe buff bufr bulb buld bule bull bulu bunb bund bune bunn bunu bur- burb burd bure burl burn burr buru dbnl dbrn dddd ddre ddub debe debu dedd dede dedu deeb deed deef deel deen deer defe deff defn deld dele delf dell dene denn denu der- derb dere derf dern derr deue deul deur dfer dfrf dlbd dner dred dree dref drel dren drub drue druu dub- dubb dube dubu dudd dude dudu duel duer duff dufu dule dull dulu dune dunn dure durn duru duul duur ebbr ebed ebel eben eber ebru ebul ebur edde ede- edel eden eder edfl edfu edle ednl edrn edru edun edur eede eedu eeee eefe eefl eefn eele eend efbr efen el-b elbe elbu elde eldr eled elee elef elen eler elfe elle ellu elne elue elul enb- enbn enbr end- ende endu ened enee enel ener enfb enne ennu enue enuf enur erbb erbe erde erdf ereb ered erel eren erer erld erle erll erne erre erub erur eude euer eule eur- eure fble fdlr fede fedn feeb feed feel feen feer fefe feff feld fele felf fell fend fene fenn ferb ferd fere fern ferr feru feud ffee ffff ffrr ffun fldr fled flee flen fler flnb flub flud flue fluf flur fndd fndn fndr fnuf fred free fren frub frue frun fubb fubu fudd fude fuel fuff fufu fule full fulu fund fune funf fur- fure furl furn furr lblr le-u lebd lebu lede leed leef leel leen leer lefe leff lele lell lelu lend lene lenn lerd lere lern leud leun leur lfrd lldb llef lleu llll llud lndn lner lrdd lrne lrrr lube ludd lude lued luef luer lufe luff lufu lule lull lulu lund lune lunn lurd lure nber nbfl nbuf nddb ndde nder ndre ndrf nebb nebe nebn nebr nebu nedd nede nedu neeb need neef neel neen neer nefd nefe neff nefl neld nele nelf nell nend nene nenu nerd nere nerf nerl nerr neru neue neuf neun neur neuu nfer nfff nfld nler nlrb nndb nnnn nren nrlb nrrd nrrl nube nubl nudd nude nuee nuel nuer nuff nule null nune nunn nurd nure nurl nurn nurr nuru rbbb rbbr rble rder rebb rebe rebu redd rede redl redr redu reeb reed reef reel reen refd refe reff refl refn refr refu relb reld rele rell rend rene renn renu rerd rere reru reue reuf reul reuu rfef rffl rlee rlef rleu rnbr rndf rnld rred rrle rrrr rrun rubb rube rubu rudd rude rudl rued ruel ruen ruer rufe ruff rule rull rund rune runf runn rurd rure ruru ruud ruun ubbe uber uble ubud udel uden uder udun uele uell uend ufel ufer uffe ulde uleb ulee ulen ulfe ulle ullr ulne ulul unbd unbe unde uneb uned unee unef unen uner unfd unle unlf unne unrf urbe urde urdu ure- ured urfe urff urle urne urre urun urur uuen uulu uuuu