eeee eees eers eese eete eets eetu erer eres eret erew erre errs erse erst erts ertu erur erus erws erwt esee eser eses eset esse esst essu este estr ests esus esws etee eter etes etre etsu ette ettu euer eur- eure eurt euse euwe ewer ewes ewew ewre ewte ewts rees reet rere rers rert reru rese ress rest rete retr rets rett reue reus reut reuu rewe rews rrrr rsee rsre rsts rstu rtee rtes rtss rtts ruer rues ruet rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruwe se-e se-s se-t se-u se-w seer sees seet seeu seew sere serr sers sert seru sese sess sest set- sete sets sett seur sewe sewr sews sewu sres srtr ssee sses sset ssrs ssss ssts ssws stee ster stes stet stew stre strs stru stss sttr stue stur stus stut stwe suee suer sues suet sueu sur- sure surr surs surt suru sus- suse suss sust susu sute sutu suus suwe suwu swee swer swet swre swss swte swts teer tees teet ter- tere terr ters teru tese tess test tete tetr tets tett tetu teut tews tre- tree tres tret treu trew trst trte trtr true trus trut truu trwe tses tset tsse tssr tsst tsts tswe tter ttss tttt tuer tues tuet ture turr turs turt turu tuss tust tute tuts tutt tutu twee twer twss uers uess uewe ure- ures uret urre urse urss ursu urte urts urur urus urut usee user uses uset usse ussr usss usst ussu uste usts usus uter utes uttu utwe uuuu uwer weer wees weet weeu wer- were werr wers wert werw wese wesr wess west wesu wete wetr wets wett wetu wewe wree wrer wret wrew wrre wrrs wrrw wrse wrsr wrss wrsw wrte wrtr wrts wrtu wrtw wrus wrwr wses wset wsew wsre wsrs wsrt wsru wsrw wssr wsss wsst wssu wssw wstr wsts wstt wstu wstw wsue wsur wsus wsuw wswr wsws wswt wsww wtre wtrs wtrt wtru wtrw wtse wtsr wtss wtsu wtte wttr wtts wttt wttu wttw wtue wtwr wtws wtwt wtww wur- wurt wusr wuss wust wusu wusw wute wutr wuts wutu wuuu wuwe wwer wwet wwre wwrr wwru wwrw wwse wwsr wwss wwst wwsu wwtr wwtw wwus wwwe wwwr wwws wwww