-tree eeeee eeler ef-ts efere efetf effer effet effts eftel efter eleet elefs elele elers eless elest elets ellel eller elles ellet elser elses eltrs erere erest erets erles erres erses erste ersts erte ertel erter ertes esels esere esref esrel essel esser esses essex essse estee estel ester estes estet estre etest etete etext etree etres ettel etter ettes ettle exert exflr exlex exlts exslt extel exter extre extts feele feels feere feers feese feets felet felle fells felte felts feltt ferel feres feret ferle ferr- ferre ferse ferte feser fesse fest- feste fests fetel feter fetes fette fleer flees fleet flere flers flert flete flett flexe flexs freel freer frees freet freex frels frere frese fress frest frets frett ftest ftlee ftrtt leell leere leers leert leese leest leets leffe lefse lefts leftx leles lelex lelle lerer leser lesse leste letre lette letts lexer lexes lexxe llers llrrs lsers reefe reefs reeft reels reere reese reest refel refer refet reffe refts relee reles relet relex relte rere- reree reres reret resee resel reses reset resse reste restr rests retee retel reter retes retex rette retts rexel rexer rexes rless rlrts rsssf rtext seele seels seere seers seese seest seete sefer sefes seffe sefte seler seles selex self- selfe selfs selle sells sellt selte seref serer seres seret serfe serff serfs serle serre serse serss sert- serte serts seser seses sesse seste setee setel seter setle setse setsf sette setts sexer sexes sexst sext- sexte sexts sleer sleet sleft sless slete slsts sssss steel steer stees steet steff stele stell stere sterr sters stert stete stets stree strel stret strrs t-rex teele teell teers teese teest teets tefe teffs tele- teler teles telex telfs tell- telle tells teres teret terex terre terrs terse tert- tesel tesle tesse teste tests tetel teter tetes tetex tetle tetr- tette texel texte texts tlell tlett treer trees treet trefe treff trefs trele trere tres- trese tress trest trete trets trett trexs tseel tsere tsets tstlt ttest ttttt xeres xerse xerte xetex xexex xfers xfest xtext xtree