sull sult sulu sur- surc sure surf surr surs surt suru sus- suse susk suss sust susu sute sutu suus tccc tccu tcfc tctc tcts tcul teck tecl tecr tecs tect teec teef teek teel teer tees teet tefc teff tefl teft teke tel- telc tele tell tels telt telu ter- terc tere terf terk terr ters teru tesc tese tesl tess test tete tetr tets tett tetu teuk teut tfcu tfec tfrs tfss tftc tkts tlrs trcc trcl tre- trec tree tref trek tres tret treu trfc trfr trst trtc trte trtr truc true truk trus trut truu tscc tsec tses tset tsfc tsfl tsks tsse tssf tssr tsst tstc tsts tter ttfc ttff ttss tttt ttul tucc tuck tuel tuer tues tuet tufc tufe tuff tuft tufu tuke tuks tule tulk tull tulu turc ture turf turk turr turs turt turu tusc tusk tuss tust tute tutl tuts tutt tutu ucel uces ucrc ucsc ucsf ucst ucsu ucut uele uell uers uess ufcu ufel ufer uffe ufuk ukcc ukek ukes ukeu ukrc uksc ukur ulcc ulee ulek ules ulfe ulft ulle ullr ults ultt uluk ulul ulus ure- ures uret urfe urff urft urke urle urls urre urse urss ursu urte urts uruk urur urus urut us-k uscc usce uscf uscs usee usef usel user uses uset usfc usfl usfs uske usle uslu ussc usse ussf ussr usss usst ussu ustc uste usts usul usus utec utel uter utes utsc utsl uttu uulu uutf uuuu

-tree c-tec ccccc cccsl ccell ccett cclef ccrcl ccrel cctrl ceele ceere ceese cefcu celer celes cell- celle cells celse celss celte celts cerc- cerce cercs cerec cerer ceres ceret cerfs cerke cerre cerrs cerse cerss certe certs cerus cesce cescr cesse ceste cests cetes cette cetus cfler cfu-e clcff cleck cleef cleek cleer cleet clefe clefs cleft cleke clerc clere clerk cless clete clett cleuk cluck clue- cluer clues clufe cluff cluke clurr cluse cluss clute cluts clutt crece creek creel creer crees creft creke crele crell cresc crese cress crest crete cretu creu- creue creul crlcs crrel crres cruce cruck cruel cruet crufe cruft cruke crule crull cruls crure cruse crust cruts cselt csere cstcc ctcfl ctree ctrlc ctrls cttee ctulu cucks cucuk cuers cufeu cuffe cuffs cufre 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 ectfe eecke eeeee eeler ef-ts ef-tu efere efetf effer effet effts eftel efter efuru efuse efutu ekels ekers ekker ekuku ekuru elecs elect eleet elefs 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 esref 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 fclef fcsts feces fecks feele feels feere feers feese feets felce felet felle fells felte felts feltt ferce ferel feres feret ferle ferr- ferre ferse ferte ferus feser fesse fest- feste fests festu fetel feter fetes fette fetus feuer feule feurs feute fleck flect fleek fleer flees fleet fleke flere flerk flers flert flesk flete flett fleuk fleur fluce fluck flues fluff fluke flure flurr flurt fluse fluss flute frcsc freck freek freel freer frees freet freke frels frere frese fress frest frets frett freur fruct frust frute fscks fseek ftest ftlee ftrtt fu-fu fucks fucus fuels fuest fuffs fukes fulke fulks fulle fullf fulls fults furel furls furrs furse furst furus fusee fusel fuser fuses fusle fusse fuste fusts fusus futsu futur fuuse k-set k-tel k-ute kcell kecel kecer kecks keefe keeks keele keels keere keest keets kefee kekec kelce kelek keles kelle kells kelts kerek kerel keres keret kerfs kerle kerls kerre kerrs kerse kerss kertu keser kesse keste ketek ketel keter kette kfest klece klees kleet klefe klerk kless klett kluke klurs kluse klute kreef kreek kreel krees kreke krele krell kresk kress krest krete kreuk krufc kruft krull kruse krust ksrtc kucer kucuk kuffs 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 leces lects leece leeke leeks leell leere leers leert leese leest leets lefeu leffe lefse lefts leful lekel lekeu leles leleu lelle lerer lesce leser leske lesks lesse leste lesue lesur letek letre lette letts letur letus leuc- leuce leuk- leuke leuse llers llrrs lsers lucee luces lucet lucke lucks lucre lucur lucus luffs lufre lufte luker lukes luket lukre lukut lulec lules lulle lulls lulte luluc lulul lulus lurck lurer lures lurks lurue luser lusks lusse lusts lusus lute- lutek luter lutes lutke lutsk lutsu lutte recce recet recke recks recls rect- recte rects recue recur recus recut reece reecs reefe reefs reeft reeks reels reere reese reesk reest refel refer refet reffe refts refus refut rekel rekke rekle relee relek reles relet relte relue rere- reree reres reret resee resel reses reset reske resse reste restr rests resue resus retee retel reter retes retsu rette retts reuel reuer reuet reule reuse reuss reute rless rlrts rsssf rsust rt-rk rucer rucks rucul ruele ruell ruere ruers ruete ruffe ruffs rufus rukel rukke rukus ruler rules rurec rusce ruses rusks rusle russe ruste rusts rustu ruter rutle rutte rutul ruule ruutu s-tec scel- scere scert scler screc scree scrue scrus scter sctrs scuet scufe scuff scuft sculc scule sculk scull scult scure scurf scurr scurt scuse scut- scute scuts scutt secke secle secre secte sects secur secus seece seeke seeks seele seels seere seers seese seest seesu seete sefer sefes seffe