rumt rupe rupp rupt rure rurp ruru rute rutl rutt rutu tbrb tbtp tebu teel teem teer teet tel- tele tell telt telu teme temp temu tepe tepp tepu ter- tere term terp terr teru tete tetr tett tetu teut tmbr tmep tmtt tper tpmt tppp tppr tpte tptp tptr tput tre- tree trem tret treu trmb trml trmu trpe trpm trpp trte trtr trub true trut truu ttbb tter ttml tttt ttul tubb tube tubr tubu tuel tuer tuet tule tull tulp tulu tumb tume tump tumu tupe tupu turb ture turm turp turr turt turu tute tutl tutt tutu tuum u-rp ubbe uber ubet uble uele uell uleb ulee ulle ullr ulme ulmu ultt ulul ulum umb- umbe umer umet umpe umut upbe uplb upme upml uppe uppp uppu uptl upup urbe ure- uret urle urre urte urum urup urur urut utel utep uter utmb utmp uttu uulu uuuu

-tree bbbee be-er bebel beber beebe beele beete beeut belee belem belep belet bellb belle belue belum belur belut bembe bemer bemet beppe beppu berbe berel beret berle berme berre berru berte berum betee betel beter betle betre bett- bette betul beuer beule beure beute bleep bleer bleet blere blerp blete bleue bluer bluet blume blurb blure blurr blurt bmp-r brebu breel breem breer breet brell breme bremm brere brett breu- brmmm brrrr bruer bruet brule brull brume brumm brute btr-t bubbe buber buble buell bulb- bull- bulle bulul bulut bumbu bumme bumpe burel buret burle burru burte burtt burut buter butle butme butte butut ebber ebbet ebble ebell eberl ebert eblul ebull ebure eeeee eeler eepee eleet elele eleme eleut ellel eller ellet ellul elmer elmet elpee elper elulu eluru elute embee embel ember emble embue emeer emele emell emere emerl emert emmer emmet empee empel empte emtee emtel emule emure eppml epptb epure erbbe erber erem- erept erere erpel errtu erte ertel erter erump erupt etete etree ettel etter ettle eturu euell euler eum-u eumel eurel eurre lebel leber lebet leell leeme leere leert lelep leleu lelle lemel lemer lemme lemur lepel leper lepet leppe lepre lept- lerer lerum letbe letem letme letre lette letup letur leupp lmule lubbe luber luble lubur lulle lulte lulul lumb- lumbe lumer lumet lumle lumme lumut luper luppe lupul lurer lurue lurup lute- luter lutte lutum m-tel mbebe mbere mbret mbube mbule mbulu mburu mebbe meble meele meell meemu meere meete melbu melee melem melet mell- melle melte melub melur melut membe memel memer merel merer meret merle merre merte merul merur metel meter metle metr- metre mette metup metur meuer meule meure meute mlete mmmmm mpret mreru mrlee mrmet mt-lb mt-te mt-tm mt-tp mt-tr mt-tt mtepe mtree mttle mtume muble muler mulet mulle mult- multe mulur mumbe mumle mumlu mumme mummu muppu muret mureu murle murre murru murum murup murut muter mutet mutlu mutum p-rep pebre peebu peele peell peere peerl peert peete pelee peler pelet pelle pembe pepee pepel peple peppe pept- pepup perel perer peret perle perre perte perur petbe peter petr- petre petru pette petur peule peure plebe pleep pleet plete pleut plumb plume plump plumr plupp plut- plute preem prell prelp preme premp prepl prete prute pter- ptere ptprb ptpre ptprm ptprr ptprt ptpru puber puble puett puler pull- pulle pullu pulme pulut pumel pumpe pupet puple puppe puree purel purer purle purre purte purul purum puter putre putt- putte puttu putup re-up rebbe rebel reber rebet rebut reeme reepe reere relee relet relte relue remee remel remer remet remue repel repet reple reppe reprt repub reput rere- reree reret rerum retee retel retem reter rette reuel reuer reuet reule reume reute rmutt rubee rubel ruber ruble rubup ruele ruell ruere ruete ruler rumbe rumer rummu rumpt rupee rupel ruper ruter rutle rutte rutul ruule ruutu tbtbt tbutt teber tebet teele teell teeme teemu teepe teeup tele- telem telep teler teleu tell- telle tembe tembu temel tempe tempt tepee tepet tepeu teppu terem teret tereu terme terre tert- tetel teter tetle tetr- tette tlell tlett tllbr tlmer tpler treer treet trele treme tremp trepp trept trere trete trett treut trpml trubu truel truer trule trull trume trump trupt trute ttttt tuber tubul tuell tuelt tulem tulet tulle tulum tumbe tumbu tumul tumut tupee tuple turbe turbt turel turem turet turle turre turtu turul turup turut tutee tutel tutle tutte tuuru u-pml ubble uber- ubume ullet ullur ulmer ulmet ulpur ulrum ultre ululu uluru umbe- umbel umber umble umblu umbre umeer umeme umlet umple upeet upmet upper upput upter urelu ureme urtel urter urtlu urubu urupe urutu uter- utmer utrum utter uttur utube uturu uuuuu

b-reel b-tree bbbbbb beblur bebump beebee beebem beeler beembe beemer beeper beerme beeter beetle belber belett beller bellet belleu bellue bellum belper belpre beltel belter beltre beltup belull belute bemeet bemete bemmel bemute bepelt berbee berber bereel bereet berere bermel bermet berrer berret bertel bertem bertre berube beteem betell betelu betere betete betrue bettee bettel better bettle betutu beumer beurre bleere blublu bluett blumer blurre bluter brebel breere bremer brette breuer brubru bruel brulee brumel brumle bruree brutel brutum bubber bubble bubele bububu bueler buellt bulbel bulbul bull-e bullee buller bullet bulmer bultel bulter bumbee bumble bummel bummer bummle bumpee bumper burbet burble burbur burell burler burlet burpee burper burple burree burrel burrer burret burrup burtle burutu butere butler buttel butter buttle ebbert eberle ebulum eburru eburum eebree eeuler elbert eleele elemer ellett elumur emblem embree embrue embull embute emeere emelle emeter emeute emmele emmert emmett emmure empure erbree eretum ermler errett ettutu eubule euller eutere lblrtm lebert lebret leelee leeper leerer leetle lemele lemere lemmer lemper lempet lemuel lemure lepere lepper lerret lerrup let-up letter lettre lubber luller lumbee lumber lumper lumpet lumpur lurulu luteum lutter luttre m-tree mbembe meeble meelte meeple meerle meerut meeter meetme meetre meetup melber melete mellel meller mellet mellum meltem melter meltet meltre member membre mememe memere meppel merbel merete merlet mermer mermet merrem merret mertel merter mertle merupu merure meteer metrer metrum mettel metter mettet