-er eee eef eek eel een eer ef- efe eff efl efr eke ekf ekl ekr eku ele elf elk ell eln elr elu en- ene enf enk enl enn enr enu ere erf erk erl ern err eru eu- eue euf eul eun eur fee fef fek fel fen fer feu ffe fff ffk ffl ffn ffr ffu fkf fkk fkl fle flf fll fln flr flu fne fnf fnk fnl fnn fnr fnu fre frf frk frl frn frr fru fue fuf fuk ful fun fur fuu ke- kee kef kek kel ken ker kff kfu kke kkk kkl kkn kkr kku kl- klf klr klu kn- kne knf knk knl knn knr knu krf krk krl krn krr kru kue kuk kul kun kur kuu lee lef lek lel len ler leu lfe lff lfk lfl lfn lfr lfu lkl lkr lle llf llk lll lln llr llu lne lnk lnl lnn lnr lnu lrf lrk lrn lrr lru lue luf luk lul lun lur luu ne- nee nef nek nel nen ner neu nfe nff nfk nfl nfn nfr nfu nke nkf nkk nkn nkr nku nle nlf nlk nll nln nlr nlu nne nnf nnk nnl nnn nnu nre nrf nrk nrl nrn nrr nru nue nuk nul nun nur nuu re- ree ref rek rel ren rer reu rfe rff rfk rfl rfn rfr rfu rke rkf rkk rku rle rlf rll rln rlr rlu rnn rnr rnu rrf rrk rrl rrn rrr rru rue ruf ruk run rur ruu uee uef uel uen uer ufe uff ufl ufn ufr ufu uke ukf ukk ukl ukn ukr uku ule ulf ulk ull uln ulr ulu un- une unf unk unl unn unr unu ur- ure urf urk url urn urr uru uue uun uur uuu

-ene eeee eefe eefl eefn eeke eele efen efke ekek eken eker ekne ekur elee elef elek elen eler elfe elke elle ellu elne elue elul enee enel ener enke enkr enne ennu enue enuf enur erel eren erer erke erle erll erne erre erur euer eule eur- eure f--k feek feel feen feer fefe feff feke fele felf felk fell fene fenk fenn fere ferk fern ferr feru ffee ffff ffrr ffun flee flen fler flue fluf flur fnuf free fren frue frun fuel fuff fufu fuke fukk fuku fule fulk full fulu fune funf funk fur- fure furl furn furr keef keek keel keen keer keff kefr keke kekl keku kele kelf kelk kell keln kelu ken- kene kenk kenl kenn kenr kenu ker- kere kerf kerk kerl kern kerr keru keul keun keur kfel kfer kfff kffk kffn kflf kfll kfln kfnf kfnk kfnl kfnn kfre kfrn kfrr kfru kful kfun kken kkfn kkfr kkkk kklf kkll kkln kkne kknn kknu kkre kkrf kkrk kkrl kkrn kkrr kkuu klee klef klek klen kler klfe klff klfn klkk klkl klkn klkr klle kllk klne klnn klrf klrk klrn klrr klru klue kluf kluk klun klur kluu knee knef knek knel knen kneu knfl knfr knkk knlf knlr knnk knnr knrk knue knuk knur kree kref krek kren kreu krfe krff krfn krke krkk krkn krkr krku krle krlf krln krne krnk krnn krnu krre krrf krrk krrl krrn krrr krue kruf kruk krul krun krur kuek kuel kuen kueu kuff kufn kufr kuke kukk kukl kukn kuku kule kulf kull kuln kulu kune kunk kunr kunu kure kurk kurl kurr kuru kuuk kuul kuur kuuu le-u leef leek leel leen leer lefe leff leke lekk lele lell lelu lene lenk lenn lere lerk lern leuk leun leur llef lleu llll lner lnnk lrne lrrr luef luer lufe luff lufu luke lule lull lulu lune lunk lunn lure lurk luuk neef neel neen neer nefe neff nefl neke neku nele nelf nell nene nenu nere nerf nerk nerl nerr neru neue neuf neuk neun neur neuu nfer nfff nkrf nler nnnn nren nrrl nuee nuel nuer nuff nuke nuku nule null nune nunk nunn nure nurl nurn nurr nuru nuuk reef reek reel reen refe reff refl refn refr refu reke rele rell rene renk renn renu rere reru reue reuf reuk reul reuu rfef rffl rkkf rlee rlef rleu rrle rrrr rrun ruel ruen ruer rufe ruff ruke rukk rukn ruku rule rulk rull rune runf runk runn rure ruru ruun uele uell ufel ufer uffe ufuk ukek ukeu ukur ulee ulek ulen ulfe ulle ullr ulne uluk ulul unee unef unen uner unke unkl unkn unle unlf unne unrf ure- urfe urff urke urle urne urre uruk urun urur uuen uulu uuuu

eeeee eeler eener efere effer efren efuru ekene ekker ekren ekuku ekuru elele elene elfen elken ellek ellel ellen eller ellul elren elulu eluru enfer enfeu enker enku enlen enuff enure enurn ereen erere erkel erlen ernen ernle eruke euell eulen euler eurel eurre feele feeln feere felle fenek fener feneu fenne ferel feren ferle ferr- ferre feuer feule fleek fleen fleer fleke flene flenu flere flerk fleuk fleur fluff fluke flunk flure flurn flurr freek freel freer freke frenk frere freur fu-fu fulen fulke fulle fullf funel funen funke furel furen keefe keele keene keere kefee kelek kelen kelle kelun kenel kenku kenne kerek kerel keren kerle kerne kernu kerre klefe klene klenk klerk kluke klunk kneel kneen knele knell knuff knurl knurr kreef kreek kreel kreke krele krell krenn kreuk krnel krull krunk kruun kukel kukle kukur kulen kullu kulne kulul kulun kulur kunek kunen kuner kunku kunne kunur kurek kuren kurku kurlu kurne kurre kuruk leeke leell leere lefeu leffe leful lekel lekeu leleu lelle lenek lenne leren lerer lerne leuk- leuke lueen luen lufre luken luker lukre lulle lulul lunel lunne luren lurer lurne lurue lurun neele neelu neere nefen nefer neffe nefre neker nelle nellu neree nerre nerul nerur neuen neuer neueu neune neur- neure neurl nfler nu-nu nuell nuker nulle nunun nure- nurek nurlu nuruk nurun reefe reene reere refel refen refer reffe refne rekel reken rekke rekle