set- setc sete seth seto sets sett seur shcc shcp she- shee sheh shem shen sheo shep sher shes shet sheu shhh shhs shm- shme shmo shne shoe shom shon shoo shop shor shos shot shou shps shpt shre shrp shrs shsc shts shue shum shun shup shur shus shut shuu smcc smch smcp smec smee smen smep smet smhs smnc smoc smon smos smot smps smrt smsc smsh smsn smsp smss smtc smte smth smtn smtp smtu smur smus smut sncc snco sncp snee sneh snep sner snes snet snhs snmp snns snoc snom snoo snop snor snos snot snpo snpp snrs snte sntr snum snur snus soce soch socm soco socr socs soec soem soen soeo soep soes sohh sohm sohn soho sohp sohs sohu some somm somn somo son- sone sono sons sont sonu soom soon soop soor soos soot sope soph sopo sopp sops sopu sore sorh sorm sorn soro sorr sors sort soru sose sosh soso soss sost sotc sote soth sotm sotn soto sotp sots sotu soue soum soun soup sour sous sout spcc spco spcs spec spee spen sper spes spet sphr sphs spht spme spms spmt spne spns spoc spon spoo spop spor spos spot spps sprm spro sprs spse spso spsp spss spst sptc spto sptr spts spue spun spur spus sput srcc srch srct srec srem sreo sres srhs srmc srnn srno sros srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssem ssep sses sset sshs ssmc ssns ssoc ssop ssot sspc sspe sspo ssps sspt ssrc ssrm ssrs sssc sssh sssm ssss sstc ssth sstp ssts stcc stch stcp stcs stcu stec stee stem sten steo step ster stes stet sthn sths stmc stmp stms stmt stnn stnr stns stoe stom ston stoo stop stor stos stot stou stpp stps strc stre strn stro strs stru stsm stss sttc sttr stuc stue stum stun stup stur stus stut suc- succ such sucr sucs suee suen suer sues suet sueu suho suhr sum- sume sumo sump sums sumu sun- sune sunn suno suns sunt sunu suoh suor suos sup- supe suph 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 suum suus t-mo tccc tccu tcep tch- tche tchh tcho tchp tchr tchs tchu tcnn tcom tcon tcos tcpo tcsh tctc tcts tech teco tecr tecs tect teec teem teen teer tees teet teho tehr teme temo temp tems temu tenc tene tenn teno tenp tens tent tenu teoh teom teon teor teos tepe tepp tepu ter- terc tere term tern tero terp terr ters teru tesc tese tesh teso tesp tess test tete teth teto tetr tets tett tetu teut thch the- thec thee them then theo thep ther thes thet theu thhp thms thmt thnt thoe thom thon thoo thor thos thot thou thpp thre thro thru thse thsr thss thtr thts thue thum thun thur thus tmcc tmcm tmen tmep tmhs tmnt tmos tmou tmps tmro tmsc tmsp tmtt tncc tnes tnsh tnsp tnts tnut toce toch toco toee toeh toen toer toes toet toho tohu tome tomm tomo tomp toms tomt tone tonh tonn tono tons tonu tooh toom toon toor toos toot top- tope toph topo topp tops topt topu torc tore torm torn toro torp torr tors tort toru tosc tose tosh toso toss tost tosu totc tote toth totm toto totr tots tott touh toum toun toup tour tous tout tpcp tpcs tper tphs tpms tpmt tpon tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree trem tren treo tres tret treu trhs trms trmu trno troc troe trom tron troo trop tros trot trou trpc trpe trpm trpn trpp trps trst trtc trte trtr truc true trun trus trut truu tscc tscp tsec tsen tses tset tshe tshs tsmc tsmp tsom tsop tsos tsou tspn tspo tsps tspt tsse tssm tssr tsst tstc tstm tsts tsum tsun tsup ttcn ttcp tten tteo tter ttms ttoe tton ttop ttss tttt tucc tuch tuco tuen tuer tues tuet tuhs tuht tuhu tume tump tums tumu tunc tune tunn tuno tuns tunu tuor tuos tupe tuph tupo tups tupu turc ture turm turn turo turp turr turs turt turu tusc tush tusm tuss tust tute tuto tuts tutt tutu tuum tuuo u-rp uccp uces uche ucho uchs ucmc ucom ucon ucos ucph ucrc ucsc ucsm ucst ucsu ucut ueno uers uesn uess uher uhno uhoh uhrs uhss uhuh uhup umec umer umes umet umhs ummo umms umno umoe umor umpc umpe umph umps umsp umsu umts umus umut uncc unce unch unco uncp uncs unct unec unee unen uner unes unmc unmr unne unno unns unon unop unos unpc unps unro unrs uns- unsc unso unst unte unth unto unts unum unus unut uocc uomo uone uor- uore upcs upen upmc upme upne upnp upon upor upos uppc uppe uppp uppu upsc upse upto upup urch ure- ureh ures uret urho urne urns uro- urom uroo urpo urre urrh urse urso urss ursu urte urth urts urum urun urup urur urus urut uscc usce usch uscm usco uscs usee usen user uses uset usho ushr ushs ushu usmc usme usmm usmp usms usnc usno usnr usnu usoc usoe usos uspc uspo uspp usps ussc usse ussr usss usst ussu ustc uste ustm usto ustp usts usun usus utec utep uter utes uthe utmp utne utor utsc utto uttu uucp uuen uuno uuoc uuuu

-tree c-cor c-met c-one c-p-c c-pop c-tec ccccc ccett ccnet ccups cech ceche cecht ceco- cecon cecos cecum cecun ceene ceere ceese cemec cemmo cemre cemse cence ceneu ceno- cenon cenph cenpm cenpn cenpo cenpt cense censo cent- cento centr cents ceoce ceoor 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