sloo slop slos slot slpp slps slrc slre slrn slrp slrs slsc slst slsu slts sluc slue slup slur slut sncc snco sncp snee snel snep sner snes snet snns snoc snoo snop snor snos snot snpo snpp snrs snte sntr snur snus soce socl soco socr socs soec soel soen soeo soep soes sole soll soln solo solp solr sols solt son- sone sono sons sont sonu sool soon soop soor soos soot sope sopo sopp sops sopu sore sorn soro sorr sors sort soru sose soso soss sost sotc sote sotl sotn soto sotp sots sotu soue soul soun soup sour sous sout spcc spco spcs spec spee spel spen sper spes spet splc sple splo splp splr spls spne spns spoc spon spoo spop spor spos spot spps spro sprs spse spso spsp spss spst sptc spto sptr spts spue spun spur spus sput srcc srct srec sreo sres srnn srno sros srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sslc ssle sslp sslt ssns ssoc ssop ssot sspc sspe sspl sspo ssps sspt ssrc ssrl ssrs sssc ssss sstc sstl sstp ssts stcc stcp stcs stcu stec stee stel sten steo step ster stes stet stlc stle stln stlo stlt stnn stnr stns stoe stol ston stoo stop stor stos stot stou stpp stps strc stre strn stro strs stru stss sttc sttr stuc stue stul stun stup stur stus stut suc- succ sucr sucs suee suel suen suer sues suet sueu sul- sulc sule sull sulo sulp sult sulu sun- sune sunn suno suns sunt sunu suor suos sup- supe supo supp supr sups supt sur- surc sure surn suro surp surr surs surt suru sus- suse suso susp suss sust susu sute suto sutu suus tccc tccu tcep tcnn tcon tcos tcpo tctc tcts tcul tecl teco tecr tecs tect teec teel teen teer tees teet tel- telc tele tell teln telo tels telt telu tenc tene tenn teno tenp tens tent tenu teon teor teos tepe tepp tepu ter- terc tere tern tero terp terr ters teru tesc tese tesl teso tesp tess test tete teto tetr tets tett tetu teut tlco tlen tlon tlos tlrs tncc tnes tnsp tnts tnut toce toco toee toen toer toes toet tol- tole toll tolo tolt tolu tone tonn tono tons tonu tool toon toor toos toot top- tope topo topp tops topt topu torc tore torn toro torp torr tors tort toru tosc tose toso toss tost tosu totc tote toto totr tots tott toul toun toup tour tous tout tpcp tpcs tper tpls tpol tpon tppp tppr tprs tpsc tpte tptp tptr tput trcc trcl tre- trec tree tren treo tres tret treu trno troc troe tron troo trop tros trot trou trpc trpe trpn trpp trps trst trtc trte trtr truc true trun trus trut truu tscc tscp tsec tsen tses tset tsol tsop tsos tsou tspn tspo tsps tspt tsse tssr tsst tstc tsts tsun tsup ttcn ttcp tten tteo tter ttoe tton ttop ttss tttt ttul tucc tuco tuel tuen tuer tues tuet tule tull tulo tulp tulu tunc tune tunn tuno tuns tunu tuor tuos tupe tupo tups tupu turc ture turn turo turp turr turs turt turu tusc tuss tust tute tutl tuto tuts tutt tutu tuuo u-rp uccp ucel uces ucon ucos ucrc ucsc ucst ucsu ucut uele uell ueno uers uesn uess ulcc ulco ulee ulen uleo ules ulle ullo ullr ulne ulno ulo- uloc ulos ulto ults ultt ulul ulus uncc unce uncl unco uncp uncs unct unec unee unen uner unes unle unlp unne unno unns unon unop unos unpc unps unro unrs uns- unsc unso unst unte unto unts unus unut uocc uolc uone uor- uore upcs upen uplo upne upnp upon upor upos uppc uppe uppp uppu upsc upse uptl upto upup ure- ures uret urle urls urne urns uro- urol uroo urpo urre urse urso urss ursu urte urts urun urup urur urus urut uscc usce usco uscs usee usel usen user uses uset usle uslp uslu usnc usno usnr usnu usoc usoe usos uspc uspo uspp usps ussc usse ussr usss usst ussu ustc uste usto ustp usts usul usun usus utec utel utep uter utes utne utor utsc utsl utto uttu uucp uuen uulu uuno uuoc uuuu

-tree c-cor c-one c-p-c c-pop c-tec ccccc cccsl ccell ccett ccnet ccpls ccrcl ccrel cctrl ccups ceco- cecon cecos cecun ceele ceelo ceene ceere ceese celco celer celes cell- celle cello cells celo- celon celos celse celso celss celte celts cence cenel ceneu ceno- cenon cenpl cenpn cenpo cenpt cense censo cent- cento centr cents ceoce ceoor ceorl ceorn ceose ceous cepes cepet cepno cepos cepot ceppo cerc- cerce cerco cercs cerec ceren cerer ceres ceret cerne cerno cero- ceroc ceron ceros cerou cerps cerre cerro cerrs cerse cerss certe certs cerus cesce cescr cesen cesse ceste cests cesun ceten cetes ceto- ceton cette cetun cetus cleco cleen cleer cleet clene clens clent cleon cleos clepe clept clerc clere cless clete cleto clett cloes clone clons cloop cloor cloos cloot clope clops clore clort close closo closs clost clote clots cloue clour clous clout clspn clue- cluer clues clune clunt clupe clurr cluse cluss clute cluts clutt cneru cnnnn cnote cntln cntnl cntrc cntrl co-co co-np co-op cocc- cocce cocco coceo cocle cocol cocon cocos cocto cocur cocus coel- coelo coels coen- coens coepe coers coest coete coeur coeus cole- colee colel coleo coler coles colet coll- colle collo colls colne colo- colon colop color colos colp- colpo colre colts colun colup colur colus concl conco concr coner cones conle conne conns connu cono- conon conop conor const conte contl contn conto contr contu conus cooee cooer coole coolo cools coone coons coope coops coopt coore coors coost coote coots copce copec copel copen coper copes cople copos coppe coppo copps copr- copre copro copse copte copto copts copur copus coput corce core- coree corel coren