duet duhe duhr duhu dumb dume dumh dumm duo- dure duro durt duru dute duur duut ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edde eddm eddo ede- edeh edem eder edme edod edom edou edrm edru edur eede eedu eeee eemo eero eete eeth eetu ehdd eheh eher eheu ehre ehte ehud embd embe embo embr emdt emer emet emeu emme emmu emod emoh emor emre emte eode eore eotd eoto erbb erbe erde ereb ered erem erer eret erhu erme ermo erob erod eroe eroo erre erro erth ertu erub eruh erum erur etbr etee etem eter eth- ethe etho etoe etoh etre etrm etro ette etto ettu eude eudm euer eur- eure euro eurt euth hbtu hdod hdrm hdtt hebb hebe hebo hebr hedd hede hedo heeb heed heem heer heet hehe heho hem- heme hemo hemu heom heor heou herb herd here herm hero herr hert heru hete heth heto hett hetu heue heur hhhh hmdt hmhb hmmm hmtd hobe hobo hode hodh hodr hoed hoer hohe hohm hoho hom- home homo homr homu hood hooe hoom hoor hoot hord hore horo horr hort hotb hotd hote hoth hotm hoto hotr hott hotu houd houe hour hout hree hrob hrod hrtb hrte hrud htet htoh httm httr hubb hube hubo hudd hude hudo hudu hued huer huet huhu hume humh humm humo huor huot hurd hure huro hurr hurt huru hute huth huto hutt hutu huub mbdb mbed mbou mddm mdme mdot mdud mebe mebo medb medd mede medo medu meed meem meer meet mehe mehr mehu meme memo memr memu meor meou mer- merb merd mere merm mero mert meru met- mete meth meto mett metu meum mhem mhmm mhmr mhor mmdb mmhm mmmd mmmh mmmm mmod mmor mobb mobe mobo modd mode modh modo modu moed moet mohe mohm moho mohr moht mohu mome momo momu moob mood mooe moor moot morb mord more moro mort moru motb motd mote moth motm moto mott motu moud moue mour mout mrbb mrbm mrdd mreb mred mree mrmd mrtm mrtt mrud mtbd mtbo mtdh mtoe mtom mtor mtre mtrr mttr mube mubo mudd mude mudu mued muee muet muhr muhu mume mumm mumo mumu murd mure muro murr murt muru mute muth muto mutt mutu muut o-eo obbo obdt obed ober obet oboe obor obot obre obrh obro obtd obuh odbo oddd oded odem odeo oder odet odmr odoh odom odoo odor odot odou odtu odum odur oedo oeme oere oerm ohbe ohed ohee oher ohho ohme ohob ohoh ohre ohte ohto ohtu ohum ombe ombo ombu omdb omed omee omeo omer omet omo- omoe omoo omor omre omro omuo oobe ooer ooho oome oooh oooo oord oore oort ootb orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreh orem oreo orer orhe orme ormo oro- oroe orom oror orot orro orte orth orto orub orum otbd oted otee otem oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto ottu otur oude oudh oued ouer oume our- oure ouro ourt out- outb oute outh outo ouu- rbbb rbbr rboh rdbm rder rebb rebe rebo rebu redd rede redh redo redr redu reeb reed reem reet rehb rehe rehm reht reme remo reod reot reou rerd rere rero rert reru retd rete reth reto retr rett reue reut reuu rheb rhee rhem rheo rhet rhob rhod rhoh rhue rhum rmtu rob- robb robe robo robt robu rodd rode rodo roed roer roet rohe rohm rohr rohu romb romd rome romm romo roob rood room roor root rore roro rort roru rote roth roto rotr rott roub roud roue rouh roum rout rred rrrr rrum rtdt rtee rubb rube rubu rudd rude rudo rued ruer ruet ruhe ruhh ruhm ruhr rumb rume rumm rumo rumt rurd rure ruro ruru rute ruth ruto rutt rutu ruud t-mo tbrb tddb tdor tebo tebu tedd tede tedm teed teem teer teet teho tehr teme temo temu teoh teom teor ter- tere term tero terr teru tete teth teto tetr tett tetu teut thdr the- theb thed thee them theo ther thet theu thmb thmt thoe thom thoo thor thot thou thre thro thru thtb thtr thud thue thum thur tmbr tmed tmou tmro tmtt tobe tobo tobt tobu todd tode todo todt todu toed toee toeh toer toet toho tohu tomb tome tomm tomo tomt tood tooh toom toor toot tord tore torm toro torr tort toru totd tote toth totm toto totr tott touh toum tour tout tre- tred tree trem treo tret treu trmb trmd trmu trod troe trom troo trot trou trte trtr trub trud true trut truu ttbb tteo tter ttoe tttt tubb tube tubo tubr tubu tude tudu tuer tuet tuht tuhu tumb tume tumu tuor turb turd ture turm turo turr turt turu tute tuto tutt tutu tuum tuuo ubbe ubbo uber ubet ubod ubud udem uder udet udoh udoo udot uh-d uhde uher uhoh uhuh umb- umbe umbo umde umer umet ummo umoe umor umut uomo uor- uore urbe urde urdu ure- ured ureh uret urho uro- urom uroo urre urrh urte urth urum urur urut uter uthe utmb utor utto uttu uuuu

-tree b-e-d bbbee bd-re bdoor bdort be-er be-ro bebdo bebed beber bebod bebot bedde bedee beder bedet bedot bedub bedue bedum beebe beede beerd beete beeth beeut behem beher behet behot behue bembe bembo bemer bemet bemud beode beord beote beoth beour berbe berde berdu bered bereh beret berhe berme bermo berob beroe berom beror berre berru berte berth berto berum betee beter bethe betoo betor betou betre bett- bette betto beuer beure beute beuth bheer bhood bhoom bhoot bhore bhour bhrrd bo-bo bo-ho bobet bobr bobre bodd- boded boder bodhe bodoe bodom bodor bodum boedo boehm boeme boero boeur bohme bohor bohot bohte bombe bombo bomer bomet bomme bomoh boode boodh booed booer boomb boord boore boort booru booth borbo borde bordo bored boree borer boret bormo boro- borod borom boroo borot