-tree eeeee eepee epees eppes epsxe erept erere erest erets erres erses erste ersts erte erter ertes esere esp-r esper espre esser esses essex essse estee estep ester estes estet estre etest etete etext etree etres etter ettes exept exert exjet exper exptr exter extre extts jeeps jeers jeetp jeppe jerre jerte jesse jests jetee jeter jetes jetex jette jptes jtest p-rep peeps peere peerj peers peert peese peest peete peets pepee pepes peppe pepst pept- perer peres peret perps perre perse persp perst perte peses pesje pesse peste pests peter petes petr- petre pette petts ppers prees preps prese press prest prete pssst pssts pter- ptere pters ptpre ptprj ptprr ptprs ptprt reepe reere reese reest repet reppe repps reprt repts rere- reree reres reret resee reses reset resse reste restr rests retee reter retes retex retje rette retts rexer rexes rrsps rtejr rtext seeps seere seers seese seest seete sepet sept- septs serej serer seres seret serjt serpe serps serre serse serss sert- serte serts seser seses sesse seste setee seter setse sette setts sexer sexes sexps sexpt sexst sext- sexte sexts speer spees speet speex spere sperr spert spete spets spree spres spret sssss steep steer stees steet step- stepe stepp steps stept stere sterr sters stert stete stets stree strep stret strrs sttep t-rex teepe teers teese teest teets tepee tepes tepet teres teret terex terje terps terre terrs terse tert- tespe tesse teste tests teter tetes tetex tetr- tette texte texts tppts treer trees treet trepp trept trere tres- trese tress trest trete trets trett trexs tsere tsets ttest ttttt xeres xerse xerte xetex xexex xtext xtree