-tree c-tec ccccc cccsl ccell ccett cclef ccrcl ccrel cctrl ceele ceere ceese celer celes cell- celle cells celse celss celte celts cerc- cerce cercs cerec cerer ceres ceret cerfs cerre cerrs cerse cerss certe certs cesce cescr cesse ceste cests cetes cette cfler clcff cleef cleer cleet clefe clefs cleft clerc clere cless clete clett crece creel creer crees creft crele crell cresc crese cress crest crete crlcs crrel crres cselt csere cstcc ctcfl ctree ctrlc ctrls cttee eccle ecser ectfe eeeee eeler ef-ts efere efetf effer effet effts eftel efter elecs elect eleet elefs elele elers eless elest elets ellel eller elles ellet elrec elser elses eltrs erecs erect erere erest erets erles erres erses erste ersts erte ertel erter ertes esces escle escrt esect esels esere esref esrel essel esser esses essse estce estee estel ester estes estet estre etest etete etree etres ettel etter ettes ettle fclef fcsts feces feele feels feere feers feese feets felce felet felle fells felte felts feltt ferce ferel feres feret ferle ferr- ferre ferse ferte feser fesse fest- feste fests fetel feter fetes fette flect fleer flees fleet flere flers flert flete flett frcsc freel freer frees freet frels frere frese fress frest frets frett ftest ftlee ftrtt lecce leces lects leece leell leere leers leert leese leest leets leffe lefse lefts leles lelle lerer lesce leser lesse leste letre lette letts llers llrrs lsers recce recet recls rect- recte rects reece reecs reefe reefs reeft reels reere reese reest refel refer refet reffe refts relee reles relet relte rere- reree reres reret resee resel reses reset resse reste restr rests retee retel reter retes rette retts rless rlrts rsssf s-tec scel- scere scert scler screc scree scter sctrs secle secre secte sects seece seele seels seere seers seese seest seete sefer sefes seffe sefte selce selec seler seles self- selfe selfs selle sells sellt selte serce serec seref serer seres seret serfe serff serfs serle serre serse serss sert- serte serts sesce seser seses sesse seste setec setee setel seter setle setse setsf sette setts sleer sleet sleft sless slete slsts sssss steel steer stees steet steff stele stell sterc stere sterr sters stert stete stets stree strel stret strrs tcell teele teell teers teese teest teets tefe teffs telce tele- telec teler teles telfs tell- telle tells terce teres teret terre terrs terse tert- tesel tesle tesse teste tests tetel teter tetes tetle tetr- tette tlell tlett treer trees treet trefe treff trefs trele trere tres- trese tress trest trete trets trett trsce tseel tsere tsets tsrcs tstlt ttest ttttt