eeee eees eele eels eers eese eete eets eetu elee eler eles elet elle ells ellu else elst elsu elte elts elue elul elus erel erer eres eret erle erll erre errs erse erst ertl erts ertu erur erus esee esel eser eses eset esse essl esst essu este estr ests esus etee etel eter etes etre etsu ette ettu euer eule eur- eure eurt euse le-u leel leer lees leet lele lell lelu lere lert lese less lest lesu lete lets lett leur lles llet lleu llll lrrr lrse lrst lrts ls-r lses lset lssr lsts ltee ltrs ltsr lttr luer lues lule lull lulu lure lurs lurt luse luss lust lute luts reel rees reet rele rell rels relt rere rers rert reru rese ress rest rete retr rets rett reue reul reus reut reuu rlee rleu rlls rrle rrrr rsee rsre rssl rsts rstu rtee rtes rtle rtls rtlt rtss rtts ruel ruer rues ruet rule rull rure rurs ruru ruse russ rust rusu rute rutl ruts rutt rutu se-e se-s se-t se-u seel seer sees seet seeu sele sell sels selt selu sere serr sers sert seru sese sess sest set- sete setl sets sett seul seur slee sler sles slet slre slrs slst slsu slts slue slur slut sres srtr ssee sses sset ssle sslt ssrl ssrs ssss sstl ssts stee stel ster stes stet stle stlt stre strs stru stss sttr stue stul stur stus stut suee suel suer sues suet sueu sul- sule sull sult sulu sur- sure surr surs surt suru sus- suse suss sust susu sute sutu suus teel teer tees teet tel- tele tell tels telt telu ter- tere terr ters teru tese tesl tess test tete tetr tets tett tetu teut tlrs tre- tree tres tret treu trst trte trtr true trus trut truu tses tset tsse tssr tsst tsts tter ttss tttt ttul tuel tuer tues tuet tule tull tulu ture turr turs turt turu tuss tust tute tutl tuts tutt tutu uele uell uers uess ulee ules ulle ullr ults ultt ulul ulus ure- ures uret urle urls urre urse urss ursu urte urts urur urus urut usee usel user uses uset usle uslu usse ussr usss usst ussu uste usts usul usus utel uter utes utsl uttu uulu uuuu