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 tucc tuck tuer tues tuet tuke tuks turc ture turk turr turs turt turu tusc tusk tuss tust tute tuts tutt tutu uces ucrc ucsc ucst ucsu ucut uers uess ukcc ukek ukes ukeu ukrc uksc ukur ure- ures uret urke urre urse urss ursu urte urts uruk urur urus urut us-k uscc usce uscs usee user uses uset uske ussc usse ussr usss usst ussu ustc uste usts usus utec uter utes utsc uttu uuuu

-tree c-tec ccccc ccett ceere ceese cerc- cerce cercs cerec cerer ceres ceret cerke cerre cerrs cerse cerss certe certs cerus cesce cescr cesse ceste cests cetes cette cetus crece creek creer crees creke cresc crese cress crest crete cretu creu- creue crres cruce cruck cruet cruke crure cruse crust cruts csere cstcc ctree cttee cucks cucuk cuers cuker cukes curce curer cures curet curre currs curse curst curts cusec cuser cusks cusse custe cutcu cutee cuter cutes cutts ecker ecrus ecser eecke eeeee 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 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 k-set k-ute kecer kecks keeks keere keest keets kekec kerek keres keret kerre kerrs kerse kerss kertu keser kesse keste ketek keter kette kreek krees kreke kresk kress krest krete kreuk kruse krust ksrtc kucer kucuk 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 reeks reere reese reesk reest 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 rsust rt-rk rucer rucks ruere ruers ruete rukke rukus rurec rusce ruses rusks russe ruste rusts rustu ruter rutte ruutu s-tec scere scert screc scree scrue scrus scter sctrs scuet scure scurr scurt scuse scut- scute scuts scutt secke secre secte sects secur secus seece seeke seeks seere seers seese seest seesu seete seker sekes sekke sekur serce serec serer seres seret serke serre serse serss sert- serte serts serue serut sesce seser seses sesse seste sestu sesue setec setee seter setse sette setts settu setus setut seuer seure seuss seute skeck skeer skees skeet skere skers skete skeut skrte skruk skure skurr skurt skuru skuse skute skutt sssss steck steek steer stees steet steke sterc stere sterk sterr sters stert stesu stete stets steur stker stree strek stret streu strrs struc strue strut stuck stuer stuke sture sturk sturt stuse stuss stute stuue suck- sucks suckt sucr- sucre sucst suere suers suess suest suete suets sueur suker suket sukru sukte sukuk sukur surer sures surre sursk surte surtr suruk surur surus susek suser suses suske susse susuk susus sutee suter sutes sutte suttu tcutk tecks teers teese teest teets tekes teket tekke terce terek teres teret tereu terre terrs terse tersk tert- tesse teste tests teter tetes tetr- tetsu tette teuks teuts treck treer trees treet treks trere tres- trese tress trest trete trets trett treus treut trsce trsek truce truck truer trues truke truse truss trust trute truus tsere tsets tsrcs tsuru tsuur ttest ttttt tucet tucke tucks tuctu tukur turck turek turet turks turku turre turse tursk turss turst tursu turtu turut tusks tutee tutku tutte tutus tuuru u-cee uceku ukeke ukert urker urkut ursuk ursus urter uruce urucu urutu us-ks us-sc usees users usest usker usses uster ustur usure usutu uter- utter uttur uturu uuuuu

ceecee ceesse cercus cerete cereus certes ceruce ceruse cesser cesses cesset cestes cestus cesure creeke creeks creese creest creete creket cresce creset cresse cresst creste crests cresus cretes creuse cruces crucks cruets cruses cruset crusts csecse curers curest curete curets currer curret cursee curser curses cursus curter curtes curtus cuscus cusecs cusser cusses cusset custer cutcut cutest cutset cuttee cutter eckert eerect erects erestu eresus eretes erketu errest errett erster ersure eructs escuse esetce eskers eskert eskett essert essess esssse essure estees esterc esters estree estres estrus estter esttes esture etcetc ettutu eutere k-tree keeker kekcse kekes kekkut kereks kereru kerker kerkuk kersee kerser kertee keseru keskus kesses kester kestur ketter ketuke keuruu kreese kreker kresek kresse kreste kretek krstec krstur krueck krusce kruuse kukere kukes kurese kurkcu kurkse kurree kurtes kururu kuskus kuster kustur kutke kutter r-tree re-use recces recess recrue rectus recuer recure recurs recurt recuse recuts reects reeker reekes reeser reeses reests rekrut rerees rescet rescue resect reseek resees resets resket reskus rester restes restte resuck resues retece reteer retees reteet retere retest retree retret retter rettur returu retuse reuere reuser reuses reuter reutte rreuse ruccus rucker ruckus rukkus rukutu rurkee rurutu ruscus rusetu russer russes russet russus rustre ruttee rutter screek screes screte scruse scrute scurer scurtu scutes scutte scutus secess secker secket secres secret secter sectur secuer secure see-er seeker seekut seesee seetec sekere sekret sercer sercus serere serers serest sereus serket serre- serres serret seruse sesser sesses sessue sester sestet sestre sestus setees seters settee setter settsu settur seurre seurte skeets skerre skreek skuett skutes steeks steere steers stere- sterer steres sterke sterks sterre sterte steske steure streck streek street streke stress strete struck struct struer struke struse strust struts strutt sttstc stucke stuker sturke sturks sturre sturts stutte succur succus sucker sucket sucres suerte sueter suetes sukces sukere sukett suketu sukkur surest surete sursee surses surtur suruc suruke susses suster sustre susure susurr sutkus suttee sutter suture suuksu t-test t-tree tectus teerts teests teetee teeter teeuck tekkes tekrur tercer terces tercet terese terete terets tereus terrer terres terret terser terset tersus terter tertre teseke tesker tesser tesses testee tester testes teteks tetete tetter teucer tr-rec