stec stee stem step ster stes stet stmc stmp stms stmt stpp stps strc stre strs stru stsm stss sttc sttr stub stuc stue stum stup stur stus stut sub- subb subm subs suc- succ sucr sucs suee suer sues suet sueu sum- sume sump sums sumu sup- supe supp supr sups supt sur- surc sure surp surr surs surt suru sus- suse susp suss sust susu sute sutu suum suus tbbs tbcb tbcc tbce tbrb tbsp tbst tbtp tcbs tccc tccu tcep tctc tcts tebu tecr tecs tect teec teem teer tees teet teme temp tems temu tepe tepp tepu ter- terc tere term terp terr ters teru tesc tese tesp tess test tete tetr tets tett tetu teut tmbc tmbr tmcc tmcm tmep tmps tmsc tmsp tmtt tpcp tpcs tper tpms tpmt tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree trem tres tret treu trmb trms trmu trpc trpe trpm trpp trps trst trtc trte trtr trub truc true trus trut truu tsbc tscc tscp tsec tses tset tsmc tsmp tsps tspt tsse tssm tssr tsst tstc tstm tsts tsum tsup ttbb ttcp tter ttms ttss tttt tubb tube tubr tubs tubu tucc tuer tues tuet tumb tume tump tums tumu tupe tups tupu turb turc ture turm turp turr turs turt turu tusc tusm tuss tust tute tuts tutt tutu tuum u-rp ubbe uber ubet ubpc ucbc uccp uces ucmc ucpb ucrc ucsb ucsc ucsm ucst ucsu ucut uers uess umb- umbe umec umer umes umet umms umpc umpe umps umsp umsu umts umus umut upbe upcs upmc upme uppc uppe uppp uppu upsc upse upup urbe urbs ure- ures uret urre urse urss ursu urte urts urum urup urur urus urut usbc usbe usbr usbs uscc usce uscm uscs usee user uses uset usmc usme usmm usmp usms uspc uspp usps ussb ussc usse ussr usss usst ussu ustb ustc uste ustm ustp usts usus utec utep uter utes utmb utmp utsc uttu uucp uuuu

-tree bbbee bbser bbsrc bbuss bcbst bccup bcers bcups be-er beber bebes becue becum becut beebe beebs beeps beers beest beete beets beeut bembe bemer bemet bemus beppe beppu berbe bercu berec beres beret berme berms berre berru berse berte berts berum berus besee besem beset besme besse beste bests besut betee beter betes betre betrs bett- bette betts betus beuer beure beust beute bmcsr bmp-r bmrst brebu brece breem breer brees breet breme bremm brems brere brers brese bress brest brets brett breu- brmmm brrrr brsec bruce bruer brues bruet brume brumm bruse bruss brust brute bsure btc-e btr-t btstu bttms bubbe buber buces bucet bucsu bucum bucur bumbu bumme bumpe bumps burbs burcu bures buret burps burrs burru burse burst burte burts burtt buruc burus burut buser buses busse bussu buste busts busum busur busut busuu butec buter butes butme butte butts butut c-bus c-met c-p-c c-tec cbers ccccc ccett ccups cebec ceber cebes cebpb cebpe cebus cecum ceere ceese cemec cemre cemse cepes cepet cerbu cerc- cerce cercs cerec cerer ceres ceret cerps cerre cerrs cerse cerss certe certs cerus cesce cescr cesme cesse ceste cests cetes cetme cette cetus cmbst cmere cpctc cpesc crebe crece creem creep creer crees creme cremp crems crepe crept crepu cresc crese cress crest crete cretu creu- creue creup crres cruce cruet crumb crume crump crums crupe crure cruse crust cruts csere csprs cstcc ctcum cteep ctree ctrsm cttee cubbe cubeb cuber cubes cubub cuers cueup cumbe cumbu cumec cumm- cump- cumse cuper cupes cupr- curbs curce curer cures curet curre currs curse curst curts curup cusec cuser cusps cusse custe cusum cutcu cutee cuter cutes cutts cutup e-cps ebber ebbet ebers ebert ebure eccup ecrus ecser ecspp ecume ecups eeeee eembc eemct eepee embee ember embue embus emcee emeer emere emert emese emeus emmer emmet empee empse empte empts emtec emtee emure epees eperc epeus eppes epptb epubs epure erbbe erber erebs erecs erect erem- erept erere erest erets ermes erres errtu erses erste ersts erte erter ertes erubs eruct erump erupt eruts esbus esces escrt esect esere esmes esmtp esp-r espec esper espre esser esses essse essue estce estee estep ester estes estet estre estur estus esure etest etete etree etres etter ettes eturu eucre eum-u eurre eurus euser m-set mbccs mbcet mbebe mbere mbres mbret mbube mburu mcbbs mcbee mccue mcree mcrpc mcube mebbe mecum meece meees meems meemu meere meers meese meest meete meets membe memer memes memus mepsp merce mercs merer meres meret merms merre merse merss merte merur merus mesce mesee mesem meses messe meste mesue mesum mesur mesus mesut meter metes metr- metre metse metsu mette metts metup metur metus meuer meure meuse meute mmccc mmmcc mmmmm mpret mrcub mreru mrmet mscue msecs mseup mt-tc mt-te mt-tm mt-tp mt-tr mt-tt mtepe mtree mtume muces muctc mucum mucur mucus muese mumbe mumcu mumme mummu mumps muppu mures muret mureu murre murru murse murum murup murus murut musc- musee muser muses muset musme musts mustu muter mutes mutet mutsu mutts mutum mutus muuse p-rep pbers pccts pcept pcert pctct pebre peces peebu peece peeps peere peers peert peese peest peete peets pembe pepee pepes peppe pepst pept- pepup perce percs perec perer peres peret perms perps perre perse persp perst perte peruc perur perus pesce peses pesse peste pests pesut petbe petcu peter petes petr- petre petru pette petts petur petus peuce peure peurs pmpcb pmpus pmset ppers prece preem prees preme premp prems preps prese press prest prete preus pruce pruss prute psecu pssst pssts ptcrb pter- ptere pters ptprb ptprc ptpre ptprm ptprr ptprs ptprt ptpru puber pubes puces puets puett pumpe pumps pupet puppe purce puree purer pures purre purrs purse purte purum purus pusce puter putre putt- putte putts puttu putup puurs rbpms rcpsc rcpts re-up rebbe rebec reber rebet rebts rebus rebut recce recep recet recpt rect- recte rects recue recur recus recut reece reecs reeme reepe reere reese reest remee remer remet remse remue remus repec repet