-er eee eef eek eel eer ees ef- efe eff efl efr efs eke ekf ekl ekr eks eku ele elf elk ell elr els elu ere erf erk erl err ers eru es- ese esf esk esl esr ess esu eu- eue euf eul eur eus fee fef fek fel fer fes feu ffe fff ffk ffl ffr ffs ffu fkf fkk fkl fle flf fll flr fls flu fre frf frk frl frr frs fru fse fsf fsk fsl fsr fss fsu fue fuf fuk ful fur fus fuu ke- kee kef kek kel ker kes kff kfs kfu kke kkk kkl kkr kks kku kl- klf klr kls klu krf krk krl krr krs kru kse ksf ksk ksl ksr kss ksu kue kuk kul kur kus kuu lee lef lek lel ler les leu lfe lff lfk lfl lfr lfs lfu lkl lkr lks lle llf llk lll llr lls llu lrf lrk lrr lrs lru lse lsf lsk lsl lsr lss lsu lue luf luk lul lur lus luu re- ree ref rek rel rer res reu rfe rff rfk rfl rfr rfs rfu rke rkf rkk rks rku rle rlf rll rlr rls rlu rrf rrk rrl rrr rrs rru rse rsf rsk rsl rsr rss rsu rue ruf ruk rur rus ruu se- see sef sek sel ser ses seu sfe sff sfk sfl sfr sfs sfu sk- ske skf skk skl skr sks sku sle slf slk sll slr sls slu sr- sre srf srk srl srr srs ss- sse ssf ssk ssl ssr sss ssu sue suf suk sul sur sus suu uee uef uel uer ues ufe uff ufl ufr ufs ufu uke ukf ukk ukl ukr uku ule ulf ulk ull ulr uls ulu ur- ure urf urk url urr urs uru use usf usk usl usr uss usu uue uur uus uuu

eeee eees eefe eefl eeke eeks eele eels eers eese eesk efes effs efke ekek eker ekes ekur elee elef elek eler eles elfe elfs elke elks elle ells ellu else elsu elue elul elus erel erer eres erfs erke erks erle erll erre errs erse erur erus esee esek esel eser eses esfs eske esks esku esse essl essu esuf esus euer eule eur- eure euse f--k feek feel feer fees fefe feff feke fele felf felk fell fels fere ferk ferr fers feru fese fess feus ffee ffff ffrr ffss flee fler fles flue fluf flur flus free fres frue fssf fuel fuff fufu fuke fukk fuku fule fulk full fuls fulu fur- fure furl furr furs fuse fusk fuss fusu keef keek keel keer kees keff kefr kefs keke kekl keks keku kele kelf kelk kell kelu ker- kere kerf kerk kerl kerr kers keru kesk kesr kess keul keur keus kfel kfer kfff kffk kflf kfll kfls kfre kfrr kfrs kfru kfse kfsk kfsr kful kkfr kkfs kkkk kklf kkll kkls kkre kkrf kkrk kkrl kkrr kkrs kkse kksf kksr kkss kksu kkus kkuu klee klef klek kler kles klfe klff klkk klkl klkr klks klle kllk klls klrf klrk klrr klrs klru klse klsf klsr klsu klue kluf kluk klur kluu kree kref krek kres kreu krfe krff krfs krke krkk krkr krks krku krle krlf krre krrf krrk krrl krrr krrs krse krsf krsk krsl krsr krss krsu krue kruf kruk krul krur ksee ksek ksel kser ksfe ksfr kske kskf kskk kskr ksks ksku ksle kslk ksll kslr kslu ksrf ksrr ksrs ksse kssl kssr ksss kssu ksue ksuu kuek kuel kues kueu kuff kufr kuke kukk kukl kuks kuku kule kulf kull kulu kure kurk kurl kurr kurs kuru kusf kusu kuuk kuul kuur kuuu le-u leef leek leel leer lees lefe leff leke lekk leks lele lell lelu lere lerk lese lesk less lesu leuk leur lkfs lkrs llef lles lleu llks llll lrrr lrse ls-r lses lssr luef luer lues lufe luff lufu luke lule lull lulu lure lurk lurs luse lusk luss luuk reef reek reel rees refe reff refl refr refs refu reke reks rele rell rels rere rers reru rese ress reue reuf reuk reul reus reuu rfef rffl rkkf rkss rlee rlef rleu rlls rrle rrrr rsee rsre rssl ruel ruer rues rufe ruff ruke rukk ruku rule rulk rull rure rurs ruru ruse rusk russ rusu se-e se-f se-k se-s se-u seef seek seel seer sees seeu seff sefl seke sekk seku sele self selk sell sels selu sere serf serk serr sers seru sese sess seul seur sfer sfls sfss sfsu skee skel sker skes skss skue skul skur slee sler sles slre slrs slsu slue slur sres ssee sses ssfl ssle ssrl ssrs sssf ssss suee suel suer sues sueu suf- suff sufr sufs sufu suke suks suku sul- sule sulf sulk sull sulu sur- sure surf surr surs suru sus- suse susk suss susu suus uele uell uers uess ufel ufer uffe ufuk ukek ukes ukeu ukur ulee ulek ules ulfe ulle ullr uluk ulul ulus ure- ures urfe urff urke urle urls urre urse urss ursu uruk urur urus us-k usee usef usel user uses usfl usfs uske usle uslu usse ussf ussr usss ussu usul usus uulu uuuu

eeeee eeler efere effer efuru efuse ekels ekers ekker ekuku ekuru elefs elele elers eless elkes ellek ellel eller elles ellul elser elses eluls elulu eluru erere eresk erkel erles erres erses eruke esels esere esker esref esrel essel esser esses essse essue esure euell euler eurel eurre eurus euser feele feels feere feers feese felle fells ferel feres ferle ferr- ferre ferse ferus feser fesse feuer feule feurs fleek fleer flees fleke flere flerk flers flesk fleuk fleur flues fluff fluke flure flurr fluse fluss freek freel freer frees freke frels frere frese fress freur fseek fu-fu fuels fuffs fukes fulke fulks fulle fullf fulls furel furls furrs furse furus fusee fusel fuser fuses fusle fusse fusus fuuse keefe keeks keele keels keere kefee kelek keles kelle