kstr ksts kstt kstu ksue ksut ksuu ktcc ktce ktck ktcl ktcr ktcs ktec ktee ktek ktel ktkc ktke ktkk ktkr ktks ktkt ktku ktlk ktlr ktlt ktlu ktrc ktre ktrk ktrl ktrr ktrs ktrt ktru ktsc ktsl ktsr ktst ktsu kttc kttk kttr ktts kttt kttu ktuc ktul kucc kuce kucr kuek kuel kues kueu kuke kukk kukl kuks kuku kule kull kult kulu kure kurk kurl kurr kurs kurt kuru kusc kust kusu kute kutr kuts kutt kutu kuuk kuul kuur kuuu lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr lctl lcts le-u lece leck lect leek leel leer lees leet leke lekk leks lele lell lelu lerc lere lerk lert lese lesk less lest lesu lete lets lett leuc leuk leur lkrs llcc llcs lles llet lleu llks lllc llll lrcs lrrc lrrr lrse lrst lrts ls-r lscs lses lset lsrc lssr lsts ltcc ltcs ltee ltke ltrs ltsr lttc lttr ltuc luce luck lucs luer lues luke lule lull lulu lure lurk lurs lurt luse lusk luss lust lute luts luuk rccc rccs rcet rcle rcls rcsc rcsl rcss rctc rcts recc rece reck recr recs rect recu reek reel rees reet reke reks rekt rele rell rels relt rere rers rert reru rese ress rest rete retr rets rett reue reuk reul reus reut reuu rkss rkts rlcs rlee rleu rlls rrle rrrr rscc rscs rsee rslc rsre rssl rsts rstu rtcc rtce rtee rtes rtle rtls rtlt rtss rtts ruce ruck ruct ruel ruer rues ruet ruke rukk ruku rule rulk rull rurc rure rurs ruru ruse rusk russ rust rusu rute rutl ruts rutt rutu sccc scce sccl sccs scct scec scee scel scer scet sck- sckl scl- sclc sclk scls scr- scrc scre scrs scsc scsl scsr scst scsu sctc sctl sctr scts scul scur scut se-c se-e se-k se-s se-t se-u sec- secc sece seck secr secs sect secu seec seek seel seer sees seet seeu seke sekk sekt seku sele selk sell sels selt selu serc sere serk serr sers sert seru sesc sese sess sest set- setc sete setl sets sett seul seur skee skel sker skes sket skrt skss skue skul skur skut slcc slcu slee sler sles slet slrc slre slrs slsc slst slsu slts sluc slue slur slut srcc srct srec sres srtr sscc ssce sscs ssec ssee sses sset sslc ssle sslt ssrc ssrl ssrs sssc ssss sstc sstl ssts stcc stcs stcu stec stee stek stel ster stes stet stks stlc stle stlt strc stre strk strs stru stss sttc sttr stuc stue stuk stul stur stus stut suc- succ suck sucr sucs suee suel suer sues suet sueu suke suks suku sul- sulc sule sulk sull sult sulu sur- surc sure surr surs surt suru sus- suse susk suss sust susu sute sutu suus tccc tccu tctc tcts tcul teck tecl tecr tecs tect teec teek teel teer tees teet teke tel- telc tele tell tels telt telu ter- terc tere terk terr ters teru tesc tese tesl tess test tete tetr tets tett tetu teuk teut tkts tlrs trcc trcl tre- trec tree trek tres tret treu trst trtc trte trtr truc true truk trus trut truu tscc tsec tses tset tsks tsse tssr tsst tstc tsts tter ttss tttt ttul tucc tuck tuel tuer tues tuet tuke tuks tule tulk tull tulu turc ture turk turr turs turt turu tusc tusk tuss tust tute tutl tuts tutt tutu ucel uces ucrc ucsc ucst ucsu ucut uele uell uers uess ukcc ukek ukes ukeu ukrc uksc ukur ulcc ulee ulek ules ulle ullr ults ultt uluk ulul ulus ure- ures uret urke urle urls urre urse urss ursu urte urts uruk urur urus urut us-k uscc usce uscs usee usel user uses uset uske usle uslu ussc usse ussr usss usst ussu ustc uste usts usul usus utec utel uter utes utsc utsl uttu uulu uuuu

-tree c-tec ccccc cccsl ccell ccett ccrcl ccrel cctrl ceele ceere ceese celer celes cell- celle cells celse celss celte celts cerc- cerce cercs cerec cerer ceres ceret cerke cerre cerrs cerse cerss certe certs cerus cesce cescr cesse ceste cests cetes cette cetus cleck cleek cleer cleet cleke clerc clere clerk cless clete clett cleuk cluck clue- cluer clues cluke clurr cluse cluss clute cluts clutt crece creek creel creer crees creke crele crell cresc crese cress crest crete cretu creu- creue creul crlcs crrel crres cruce cruck cruel cruet cruke crule crull cruls crure cruse crust cruts cselt csere cstcc ctree ctrlc ctrls cttee ctulu cucks cucuk cuers cuker cukes cules culet culle culls cullu cults culur curce curel curer cures curet curle curll curls curlu curre currs curse curst curts cusec cuser cusks cusse custe cutcu cutee cuter cutes cutle cutts cuuel eccle eckel ecker eckle ecrus ecser eecke eeeee eeler ekels ekers ekker ekuku ekuru elecs elect eleet elele elers eless elest elets eleut elkes ellek ellel eller elles ellet ellul elrec elser elses eltek eltrs eluls elulu eluru elute erecs erect erere eresk erest erets erkec erkel erles erres errtu erses erste ersts erte ertel erter ertes eruct eruke eruts esces escle escrt esect esels esere esker esrel essel esser esses essse essue estce estee estel ester estes estet estre estur estus esure eteke etest etete etree etrek etres ettel etter ettes ettle eturu eucre euell euler eurel eurre eurus euser k-set k-tel k-ute kcell kecel kecer kecks keeks keele keels keere keest keets kekec kelce kelek keles kelle kells kelts kerek kerel keres keret kerle kerls kerre kerrs kerse kerss kertu keser kesse keste ketek ketel keter kette klece klees kleet klerk kless klett kluke klurs kluse klute kreek kreel krees kreke krele krell kresk kress krest krete kreuk krull kruse krust ksrtc kucer kucuk kukec kukel kukle kuksu kukur kulcs kullu kulte kulul kulur kulus kurek kurku kurlu kurre kurse kursk kurte kurts kuruc kuruk kurus kusel kusle kusur kutlu kutte kuttu kutur kutus kuuse kuusk lecce