kset ksfc ksfe ksfr ksft kske kskf kskk kskr ksks ksku ksrf ksrr ksrs ksrt ksse kssr ksss ksst kssu kstc kste kstk kstr ksts kstt kstu ksue ksut ksuu ktcc ktce ktck ktcr ktcs ktec ktee ktek ktfc ktfs ktkc ktke ktkk ktkr ktks ktkt ktku ktrc ktre ktrf ktrk ktrr ktrs ktrt ktru ktsc ktsf ktsr ktst ktsu kttc kttf kttk kttr ktts kttt kttu ktuc ktuf kucc kuce kucr kuek kues kueu kufc kuff kufr kuke kukk kuks kuku kure kurk kurr kurs kurt kuru kusc kusf kust kusu kute kutf kutr kuts kutt kutu kuuk kuur kuuu rccc rccs rcet rcfc rcsc rcss rctc rcts recc rece reck recr recs rect recu reef reek rees reet refe reff refr refs reft refu reke reks rekt rere rers rert reru rese ress rest rete retr rets rett reue reuf reuk reus reut reuu rfef rffc rftc rkkf rkss rkts rrfc rrrr rscc rscs rsee rsfc rsre rsts rstu rtcc rtce rtee rtes rtfc rtss rtts ruce ruck ruct ruer rues ruet rufc rufe ruff ruft ruke rukk ruku rurc rure rurs ruru ruse rusk russ rust rusu rute ruts rutt rutu sccc scce sccs scct scec scee scer scet scfc scfe sck- scr- scrc scre scrs scsc scsr scst scsu sctc sctr scts scur scut se-c se-e se-f se-k se-s se-t se-u sec- secc sece seck secr secs sect secu seec seef seek seer sees seet seeu seff seft seke sekk sekt seku serc sere serf serk serr sers sert seru sesc sese sess sest set- setc sete setf sets sett seur sfcc sfcs sfer sffc sfrc sfss sfsu sfts skee sker skes sket skfc skrt skss skue skur skut srcc srct srec sres srfc srtr sscc ssce sscs ssec ssee sses sset ssfc ssrc ssrs sssc sssf ssss sstc ssts stcc stcs stcu stec stee stef stek ster stes stet stfc stfu stks strc stre strk strs stru stsf stss sttc sttr stuc stue stuf stuk stur stus stut suc- succ suck sucr sucs suee suer sues suet sueu suf- sufc suff sufr sufs sufu suke suks suku sur- surc sure surf surr surs surt suru sus- suse susk suss sust susu sute sutu suus tccc tccu tcfc tctc tcts teck tecr tecs tect teec teef teek teer tees teet tefc teff teft teke ter- terc tere terf terk terr ters teru tesc tese tess test tete tetr tets tett tetu teuk teut tfcu tfec tfrs tfss tftc tkts trcc 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 tsks tsse tssf tssr tsst tstc tsts tter ttfc ttff ttss tttt tucc tuck tuer tues tuet tufc tufe tuff tuft tufu tuke tuks turc ture turf turk turr turs turt turu tusc tusk tuss tust tute tuts tutt tutu uces ucrc ucsc ucsf ucst ucsu ucut uers uess ufcu ufer uffe ufuk ukcc ukek ukes ukeu ukrc uksc ukur ure- ures uret urfe urff urft urke urre urse urss ursu urte urts uruk urur urus urut us-k uscc usce uscf uscs usee usef user uses uset usfc usfs uske ussc usse ussf ussr usss usst ussu ustc uste usts usus utec uter utes utsc uttu uutf uuuu

-tree c-tec ccccc ccett ceere ceese cefcu cerc- cerce cercs cerec cerer ceres ceret cerfs cerke cerre cerrs cerse cerss certe certs cerus cesce cescr cesse ceste cests cetes cette cetus cfu-e crece creek creer crees creft creke cresc crese cress crest crete cretu creu- creue crres cruce cruck cruet crufe cruft cruke crure cruse crust cruts csere cstcc ctree cttee cucks cucuk cuers cufeu cuffe cuffs cufre cuker cukes curce curer cures curet curre currs curse curst curts cusec cuser cusks cusse custe cutcu cutee cuter cutes cutts ecker ecrus ecser ectfe eecke eeeee ef-ts ef-tu efere efetf effer effet effts efter efuru efuse efutu ekers ekker ekuku ekuru erecs erect erere eresk erest erets erkec erres errtu erses erste ersts erte erter ertes eruct eruke eruts esces escrt esect esere esker esref esser esses essse essue estce estee ester estes estet estre estur estus esure eteke etest etete etree etrek etres etter ettes eturu eucre eurre eurus euser fcsts feces fecks feere feers feese feets ferce feres feret ferr- ferre ferse ferte ferus feser fesse fest- feste fests festu feter fetes fette fetus feuer feurs feute frcsc freck freek freer frees freet freke frere frese fress frest frets frett freur fruct frust frute fscks fseek ftest ftrtt fu-fu fucks fucus fuest fuffs fukes furrs furse furst furus fusee fuser fuses fusse fuste fusts fusus futsu futur fuuse k-set k-ute kecer kecks keefe keeks keere keest keets kefee kekec kerek keres keret kerfs kerre kerrs kerse kerss kertu keser kesse keste ketek keter kette kfest kreef kreek krees kreke kresk kress krest krete kreuk krufc kruft kruse krust ksrtc kucer kucuk kuffs kukec kuksu kukur kurek kurku kurre kurse kursk kurte kurts kuruc kuruk kurus kusur kutte kuttu kutur kutus kuuse kuusk recce recet recke recks rect- recte rects recue recur recus recut reece reecs reefe reefs reeft reeks reere reese reesk reest refer refet reffe refts refus refut rekke rere- reree reres reret resee reses reset reske resse reste restr rests resue resus retee reter retes retsu rette retts reuer reuet reuse reuss reute rsssf rsust rt-rk rucer rucks ruere ruers ruete ruffe ruffs rufus rukke rukus rurec rusce ruses rusks russe ruste rusts rustu ruter rutte ruutu s-tec scere scert screc scree scrue scrus scter sctrs scuet scufe scuff scuft scure scurf scurr scurt scuse scut- scute scuts scutt secke secre secte sects secur secus seece seeke seeks seere seers seese seest seesu seete sefer sefes seffe sefte seker sekes sekke sekur serce serec seref serer seres seret serfe serff serfs serke serre serse serss sert- serte serts serue serut sesce seser seses sesse seste sestu sesue setec setee seter setse setsf sette setts settu setus setut seuer seure seuss