-er eee eer ees eet eex ere err ers ert eru es- ese esr ess est esu esx ete etr ets ett etu etx eu- eue eur eus eut eux ex- exe exr exs ext exu exx re- ree rer res ret reu rex rrr rrs rrt rru rse rsr rss rst rsu rsx rte rtr rts rtt rtu rtx rue rur rus rut ruu rux rxr rxs se- see ser ses set seu sex sr- sre srr srs srt srx ss- sse ssr sss sst ssu ssx ste str sts stt stu stx sue sur sus sut suu sux sxs sxt sxu t-x te- tee ter tes tet teu tex tre trr trs trt tru trx tse tsr tss tst tsu tsx tte ttr tts ttt ttu ttx tue tur tus tut tuu tux txe txs txt txu uee uer ues uet ur- ure urr urs urt uru urx use usr uss ust usu usx ute utr uts utt utu utx uue uur uus uut uuu uxr uxt uxu xee xer xes xet xeu xex xrt xrx xss xst xtr xts xtx xue xus xxx

eeee eees eers eese eete eets eetu eext er-x erer eres eret erre errs erse erst erts ertu erur erus esee eser eses eset esse esst essu este estr ests esus etee eter etes etre etsu ette ettu etux euer eur- eure eurt euse exer exes exrx exte extr exts rees reet rere rers rert reru rese ress rest rete retr rets rett reue reus reut reuu reux rexx rrrr rsee rsre rsts rstu rtee rtes rtex rtss rtts ruer rues ruet rure rurs ruru ruse russ rust rusu rute ruts rutt rutu rxes se-e se-s se-t se-u se-x seer sees seet seeu seex sere serr sers sert seru sese sess sest set- sete sets sett setx seur seux sex- sexe sext sres srtr ssee sses sset ssex ssrs ssss ssts stee ster stes stet stex stre strs stru stss sttr stue stur stus stut stux suee suer sues suet sueu sur- sure surr surs surt suru sus- suse suss sust susu sute sutu suus sux- suxe suxt teer tees teet ter- tere terr ters teru tese tess test tete tetr tets tett tetu tetx teut text tre- tree tres tret treu trex trst trte trtr true trus trut truu trux tses tset tsse tssr tsst tsts tter ttss tttt tuer tues tuet ture turr turs turt turu tuss tust tute tuts tutt tutu tuxs txtr uers uess uext ure- ures uret urex urre urse urss ursu urte urts urur urus urut usee user uses uset usse ussr usss usst ussu uste usts usus uter utes uttu uuuu uxue uxus xeer xer- xers xert xeus xexe xtsr xurs xuxu xxxx

-tree eeeee erere erest erets erres errtu erses erste ersts erte erter ertes eruts esere esser esses essex essse essue estee ester estes estet estre estur estus esure etest etete etext etree etres etter ettes eturu eurex eurre eurus euser exert exter extre extts extue exust exute reere reese reest rere- reree reres reret resee reses reset resse reste restr rests resue resus retee reter retes retex retsu rette retts reuer reuet reuse reuss reute rexer rexes rsust rtext ruere ruers ruete ruses russe ruste rusts rustu ruter rutte ruutu seere seers seese seest seesu seete serer seres seret serre serse serss sert- serte serts serue serut seser seses sesse seste sestu sesue setee seter setse sette setts settu setus setut seuer seure seuss seute sexer sexes sexst sext- sexte sexts sexus sssss steer stees steet stere sterr sters stert stesu stete stets steur stree stret streu strrs strue strut stuer sture sturt stuse stuss stute stuue suere suers suess suest suete suets sueur surer sures surre surte surtr surur surus suser suses susse susus sutee suter sutes sutte suttu suxst t-rex teers teese teest teets teres teret tereu terex terre terrs terse tert- tesse teste tests teter tetes tetex tetr- tetsu tette teuts texte texts texus treer trees treet trere tres- trese tress trest trete trets trett treus treut treux trexs truer trues truex truse truss trust trute truus truxe tsere tsets tsuru tsuur ttest ttttt turet turre turse turss turst tursu turtu turut tutee tutte tutus tuuru tuxes ursus urter urutu usees users usest usses uster ustur usure usutu uter- utter uttur uturu uuuuu xeres xerse xerte xerus xetex xexeu xexex xtext xtree xures

e-text erestu eresus eretes errest errett erster ersure essert essess esssse essure estees esters estree estres estrus estter esttes esture etexts etreux ettutu eutere exerts exeter exsert exxset r-tree re-use reeser reeses reests rerees resees resets rester restes restte resues reteer retees reteet retere retest retree retret retter rettur returu retuse reuere reuser reuses reuter reutte rexsee rreuse rurutu rusetu russer russes russet russus rustre ruttee rutter see-er seesee serere serers serest sereus serre- serres serret seruse sesser sesses sessue sester sestet sestre sestus setees seters setext settee setter settsu settur seurre seurte sexers sextes sextet sextur sextus steere steers stere- sterer steres sterre sterte steure street stress strete struer struse strust struts strutt sturre sturts stutte suerte sueter suetes surest surete surrex sursee surses surtur susses sussex suster sustre susure susurr suttee sutter suture t-test t-tree teerts teests teetee teeter terese terete terets tereus terrer terres terret terrex terser terset tersus terter tertre tesser tesses testee tester testes tetete tetter texter textus treete treets tresse tresus tretee tretes trette trexes truest truett trusse truste trusts trutex tsetse ttests turret turssu turtur tururu tusser tussur tutees tuteur tutter tuttut ureter urette urtext uruses userer useter ussess usterr ustert usurer usures uterus uteute utters x-tree xerert xerxes

e-texts ersters erustes es-tset essexes esterre estrees estreet estrete estreux exeters exserts exterse exustus re-user re-uses reexert ressett resters restest resurse reteere reterre retests retrete retruse retruss retrust rettert retusus reusers reuters reutter russert russets russett rustres rutters seeress seesees seester sesters sestets sestett settees setters settest seuerte seurete sexters sextets sssssss steerer sterres stetter steurer streete streets streett struses stutter surette