sers sert sesc sese seso sess sest set- setc sete setl seto sets sett slcc slee sler sles slet sloc sloe sloo slos slot slrc slre slrs slsc slst slts soce socl soco socr socs soec soel soeo soes sole soll solo solr sols solt sool soor soos soot sore soro sorr sors sort sose soso soss sost sotc sote sotl soto sots srcc srct srec sreo sres sros srtr sscc ssce sscs ssec ssee sses sset sslc ssle sslt ssoc ssot ssrc ssrl ssrs sssc ssss sstc sstl ssts stcc stcs stec stee stel steo ster stes stet stlc stle stlo stlt stoe stol stoo stor stos stot strc stre stro strs stss sttc sttr tccc tcos tctc tcts tecl teco tecr tecs tect teec teel teer tees teet tel- telc tele tell telo tels telt teor teos ter- terc tere tero terr ters tesc tese tesl teso tess test tete teto tetr tets tett tlco tlos tlrs toce toco toee toer toes toet tol- tole toll tolo tolt tool toor toos toot torc tore toro torr tors tort tosc tose toso toss tost totc tote toto totr tots tott trcc trcl tre- trec tree treo tres tret troc troe troo tros trot trst trtc trte trtr tscc tsec tses tset tsol tsos tsse tssr tsst tstc tsts tteo tter ttoe ttss tttt

-tree c-cor c-tec ccccc cccsl ccell ccett ccrcl ccrel cctrl ceco- cecos ceele ceelo ceere ceese celco celer celes cell- celle cello cells celo- celos celse celso celss celte celts ceoce ceoor ceorl ceose cerc- cerce cerco cercs cerec cerer ceres ceret cero- ceroc ceros cerre cerro cerrs cerse cerss certe certs cesce cescr cesse ceste cests cetes ceto- cette cleco cleer cleet cleos clerc clere cless clete cleto clett cloes cloor cloos cloot clore clort close closo closs clost clote clots co-co cocc- cocce cocco coceo cocle cocol cocos cocto coel- coelo coels coers coest coete cole- colee colel coleo coler coles colet coll- colle collo colls colo- color colos colre colts cooee cooer coole coolo cools coore coors coost coote coots corce core- coree corel corer cores coro- corol corot corre corrl corrs corse corso corss corte corto corts cosco cosec coser coses coset cosse cost- coste costo costs cotel coter cotes cotle cotos cotso cott- cotte cotto cotts crece creel creer crees crele crell creo- creos creot cresc crese creso cress crest crete crlcs croce croco crocs croes croll crooe crool croos croot crore crose cross crost crote crots crott crrel crres cselt csere cstcc ctree ctrlc ctrls ctrol cttee eccle ecole ecolo ecots ecser ecto- ector ectot eeeee eelco eeler eeros elcor elcot elecs elect eleet elele eleo- eleos eleot elers eless elest elets ellel eller elles ellet elloe ellos eloee elole eloor elore eloro eloso elote elrec elros elser elses elsol eltro eltrs eorre eoste ercol erecs erect erere erest erets erles eroes eroor eroos erore erose eross eroto erres errol error erses erste ersts erte ertel erter ertes esces escle escos escot escrt esect esels esere esrel essel esser esses essor essse estce estee estel ester estes estet estoc estos estre estro etest etete etoll etool etoro etree etres ettel etter ettes ettle lecce lecco leces lects leece leeco leell leere leers leert leese leest leets leles lelle leose lerer leroc leros lerot lesce leser lesse leste lesto letos letot letre lette letto letts llers llrrs loco- locos locro loess loler lollo lolls lolol lolos looce looer lools loore loose loote loots lorel loreo lorer lores loret loros lorre losce losco losee losel loser loses losse loste lostl losts lotec lotor lotos lotrs lotso lotte lotto lotts lsers ltcol ocelo ocllo ocoee ocote ocree ocres ocros octet octo- octol octor octos oeco- oelet oelse oerel oerle oesel oeses oeste oleo- oleos olere oless olest olleo oller olles olost olots oltet oltos oltre oo-er oocre oocss ooooo ooser ooste orcet orcos oreco orell orels oreo- oreos orere orero orest orlec orles orlet orlos oroco oroer orose oroso orost orret orser orses orter ortes ortet ortoo oscre osell osete osler oslet osole ososo osse- ossec ossel osseo osser osset osslt ossos oste- ostel osteo oster ostle ostrc ostre ostro otell otelo otels otere otero otoce otoes otole otolo otose otoso ototo otros otste otter ottos r-co- rcolo recce recco recet recls recos rect- recte recto rects reece reecs reels reere reese reest relee reles relet rello relos relot relte reose rere- reree reres reret resco resee resel reses reset resol resor resse reste resto restr rests retee retel reter retes retro rette retto retts rless rlrts ro-ro rocco roces rocor roell roero roers roest roleo roles rollc rolle rollo rolls rolos rooer roole roore roose roost roote roots rorer rorts rosec rosee rosel roseo roser roses roset rosol rosse rosso rosss roste rosto rosts rotcs rotel roter rotes rotle rotls roto- rotol rotor rotos rotot rotse rotte rotto s-o-r s-tec scel- scelo scere scert scler scoce scole scoll scool scoor scoot score scors scort scote scoto scots scott screc scree scroo scrot scter sctrs secco secle seco- secor secos secre secte sects seece seele seels seeor seere seers seese seeso seest seete seeto selce selec seler seles selle sello sells sellt seloo selte seoce serce serco serec serer seres seret serle serlo sero- serre serro serse serss sert- serte serto serts sesce seser seses sesse seste sesto setec setee setel seter setle setor setos setse sette setto setts sleer sleet sless slete sloes sloor sloos sloot slore sloss slote slots slsts so-lo so-so socet socle socol socre soell soers soest solec solel soler soles solet solle soloe solor solos soole soore soort soote soots sorce soree sorel sorer sores soret soroe sorol soror soros sorre sorso sorte sorts soses soss- sosto sotec sotel soter sotes sotol sotoo sotos sotto sotts sroot sssss stcol steel steer stees steet stele stell stelo sterc stere stero sterr sters stert stete stets stleo stoce stoel stoer stole stoll stolo stols stolt stool stoor stoos stoot store