sptr spts spud spue spun spur spus sput srcc srct srde srec sres srnn srpc srps srpt srsd srsp srtp srtr sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset ssns sspc sspe ssps sspt ssrc ssrs sssc ssss sstc sstd sstp ssts stcc stcp stcs stcu stds stec sted stee sten step ster stes stet stnd stnn stnr stns stpd stpp stps strc strd stre strn strs stru stss sttc sttd sttr stuc stud stue stun stup stur stus stut suc- succ sucr sucs sudd sude suds sued suee suen suer sues suet sueu sun- sund sune sunn suns sunt sunu sup- supe supp supr sups supt sur- surc surd sure surn surp surr surs surt suru sus- susd suse susp suss sust susu sute sutu suus tccc tccu tcdd tcep tcnn tctc tcts tdes tdse tdss tecr tecs tect tedd tede teds teec teed teen teer tees teet tenc tend tene tenn tenp tens tent tenu tepe tepp tepu ter- terc tere tern terp terr ters teru tesc tesd tese tesp tess test tete tetr tets tett tetu teut tncc tndd tnes tnsp tnts tnut tpcd tpcp tpcs tpdu tped tper tppd tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tred tree tren tres tret treu trpc trpe trpn trpp trps trsd trst trtc trte trtr truc trud true trun trus trut truu tscc tscp tsec tsen tses tset tspn tsps tspt tsse tssr tsst tstc tsts tsun tsup ttcn ttcp tten tter ttss tttt tucc tude tudu tuen tuer tues tuet tunc tund tune tunn tuns tunu tupe tups tupu turc turd ture turn turp turr turs turt turu tusc tusd tuss tust tute tuts tutt tutu u-rp uccp ucdc ucdd uces ucrc ucsc ucsd ucst ucsu ucut udds uden uder udet udpd udsd udts udun uend uers uesn uess uncc unce uncp uncs unct unde unds unec uned unee unen uner unes unne unns unpc unps unrs uns- unsc unst unte unts unus unut upcs uped upen upne upnp uppc uppe uppp uppu upsc upse upup urde urds urdu ure- ured ures uret urne urns urre urse urss ursu urte urts urun urup urur urus urut uscc usce uscs usdc usde usdp usds usdt used usee usen user uses uset usnc usnr usnu uspc uspp usps ussc usse ussr usss usst ussu ustc uste ustp usts usun usus utec utep uter utes utne utpd utsc uttu uucp uuen uuuu

-tree c-p-c c-tec ccccc cccsd ccett ccnet ccups cd-np cders cduce cecun ceded ceder cedes cedr- cedre ceede ceene ceere ceese cence ceneu cenpn cenpt cense cent- centr cents cepes cepet cerc- cerce cercs cerec cered ceren cerer ceres ceret cerne cerps cerre cerrs cerse cerss certe certs cerus cesce cescr cesen cesse ceste cests cesun ceten cetes cetpd cette cetun cetus cneru cnnnn cntrc cpctc cpesc crece crede creds creed creen creep creer crees cren- crepe crept crepu cresc crese cress crest crete cretu creu- creue creup crnce crnec crner crres cruce crude cruds cruet crune crunt crupe crure cruse crust cruts csere csnet csnps csprs cstcc ctdrs cteep cten- ctene ctree cttee cudde cuers cueup cunde cunds cunne cunt- cunts cunut cuper cupes cupr- curce curds cured curer cures curet curre currs curse curst curts curup cusec cuser cusps cusse custe cutcu cutee cuter cutes cutts cutup d-cru dcten dcups ddddd ddntp deces decet decss decur decus dedde dedee deden deder dedes dedun dedur dedut deece deede deeds deene deens deepc deepe deepp deeps deepu deere deers deese deess deest deets dende denee dener denes denet denne dense densu dent- dente dents depce depps depse depts depue derce derde dered deren deres derne derns derps derpt derre dersu derue desc- desde desed desen desne despe desse deste destn desur desus deter detre dette detur deuce deure deuse deut- dnepr dnert dnpep dnrec dntps dprts drdre dredd drede dreds dreed dreen dreep drees drent drepe drere drese dress drest druce drude druns drupe druse drust dsedd dstns dtest dturn duces ducts ducun duded duden duder dudes duduc duere duerr duete duets duett dueup dunce duned dunes dunet dunne dunse dunst dunts dunun duped duper dupes dured duree duren durer dures duret durre durst durte durtu dusce dusen duses dustn dusts dusun dutes dutse dutte e-cps e-dee e-sds e-ten eccen eccup ecrus ecsed ecser ecspp ecups edder eddre edens edere edern eders edred educe educt eeden eedes eeeee eeens eence eener eenet eense eeped eepee eerde eeten ences encre encup encur endec ended enden ender endue endup enent enerd enese enest enete enets ennde ennes ennet enper enpeu enrut enste ensue enten enter entes entre entse enure enurn epeds epeen epees epene eperc epeus eppes epsdt epure erdec erden erdne erdre erdut erecs erect erede ereen erept erere erest erets ernde ernen ernes ernet ernst erred erres errtu erses erste ersts erte erter ertes ertun eruct erupt eruts esces escrt esdes esect esene esens esere esnes esp-r espec espen esper espns espnu espre essed essen esser esses esspn essse essue estce ested estee estep ester estes estet estre estur estus esure etern etest etete etnre etree etres etrun etten etter ettes etude eturu eucen eucre eudes eunet eunus eupen eurre eurus euser n-p-n ncree ndere nderu ndpcp nduru necr- nect- nedde neded neden neder nedes nedre neece neede needs neeps neere neese neest neets neetu nende nenes nente neper neppe nepte nerds neree neret nerre nerse nerst nersu nerte nerts nerur nerus nesen neset nesse neste nests neten netne netpc nette neuen neuer neueu neune neur- neure neuse neuss neuts nnest nrens nsecs nsert nsess nsnps nspcc nssnd nstnt ntdec ntest ntete ntntd nu-nu nucet nuder nudes nudur nudus nuers nunce nunes nunet nunns nunun nupen nupes nupur nurce nurds nure- nurse nursu nurun nurus nusse nuste nusus nutec nutte p-n-p p-rep pccts pcept pcert pctct pdnsd peces pedee pedes peece peedu peene peens peent peeps peere peers peert peese peest peete peets pence pende pends pene- pener penes penne penns