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