bbbb bbdd bbdo bbeb bbet bbox bd-r bdii bebb bebe bebi bebo bede bedi bedo bedu beeb beed beer beet beir beit beo- beod beor beot berd bere beri bero berr bert beru bete beti beto bett betu beur beux bibb bibe bibi bibo bide bidi bido bidr bidu bidx bieb bied bier biet bieu bio- bioi biot biou biox birb bird bire biri biro birr birt biru birx bitd bite bito bitt bitu bitx bixi bobb bobe bobi bobo bobu bodb bode bodi bodo bodu boee boeo boer boet boi- boid boie boii boit boiu boob bood booe boor boot boox bor- bord bore bori boro borr bort boru botb botd bote boti boto bott boud boue bour bout brdo brdt breb bred bree brei breo brer bret brex brid brie brio brit brix brob brod broe broo bror brot brou brox brrr brud brue brut brux btdt btex btie btob btor btrt bttb bubb bube bubi bubo bubu budb budd bude budi budo budu buer bueu buid buie buir buit buiu buix bur- burb burd bure buri buro burr burt buru but- bute buti buto butt d-bo d-ix dbit dbtt dddd ddie ddot ddre ddub debe debi debt debu dedd dede dedi dedo dedu deeb deed deer deet deid deie deir deit deor der- derb dere deri dero derr dete deto detr deue deur deut deux dex- dexe dext dibb dibe dibo dide didi dido didu dieb died dier diet dieu diex diii dior diot diou dird dire dirr dirt dite diti dito ditt diux dixi do-x dobb dobe dobi dobu dod- dodd dode dodi dodo doer doid doit doix doob dood door doot dord dore dori doro dorr dort doru dotd dote doti doto dott doub doud doue dour dout doux dred dree drei dret drib drie drit drix drob drod drot drou drub drue drui drut druu dted dtor dtot dtox dttx dtxt dub- dubb dube dubu dudd dude dudo dudu duer duet duid duir duit duo- dure duri duro durt duru dute duur duut dxbe dxbr dxbt dxdr dxed dxii dxix dxrd dxre dxrr dxrt dxrx dxue dxur dxxr dxxx ebbo ebbr ebed eber ebid ebit ebix eboe eboo ebor ebox ebro ebru ebur edde eddi eddo ede- edei eder edex edie edit edod edou edru edur eede eedu eeee eero eete eetu eext eid- eide eidi eido eidr eidu eied eiei eier eiou eird eire eitb eiti eito eitr eode eoir eore eori eotd eoto eoux er-x erbb erbe erde erdi ereb ered erei erer eret erie erio erit eriu erob erod eroe eroi eroo erre erro ertu erub erur etbr etee eter etio etix etoe etox etre etro ette etti etto ettu etui etux eubi eude euer euoi eur- eure euro eurt exed exer exid exit exo- exod exor exrx exte extr i-be ibdo ibed ibet ibex ibid ibie ibot ibox ibrd ibri ibro ibtb idbe iddo ided idee ideo ider idex idid idie idio idir idre idro idub iduo iedr ieet ieie ieio iere ieri iett ieud iide iied iiie iiii iiio iiit iioi iioo iitr iitt iobi iod- iodd iode iodo ioee ioii ioio ioit iooi iooo iore iori iote ioto irbe irdo ired iree irer irex iri- irid irie irio irix irob irod irre irri irte irti itbe itdo iter itet itex itie itoi itoo itor itou itri itto itur iuiu ixxi o-eo obbo obdt obed ober obet obex obid obie obit obix oboe oboi obor obot obox obre obri obro obtd odbo oddd oddi oded odei odeo oder odet odex odie odio odir odiu odoo odor odot odou odtu odur oedo oeid oere oeti oido oier oiii oire oirt oiti oobe oobi oodi ooer ooid oooo oord oore oort ootb orbb orbe orbi orbo orbu orde ordo ordu ore- oreb ored oreo orer orex ori- orid orie orio orit orix oro- oroe oror orot orri orro orte orto orub otbd oted otee oter otit oto- otoe otoo otor otre otro otte otti otto ottu otur oude oued ouer ouie ouii ouir ouit our- oure ouro ourt out- outb oute outi outo ouu- oxer oxi- oxid oxie oxo- oxox oxud oxxo rbbb rbbr rder rdio rebb rebe rebo rebu redd rede redi redo redr redu redx reeb reed reet reid reii reir reit reiu reod reot reou rerd rere reri rero rert reru retd rete reti reto retr rett reue reut reuu reux rexx rib- ribe ribo ribu ridd ride ridi rido ridx ried rier riet rieu riex riot riou rire riri rite riti rito ritt ritu riue rixe rixo rob- robb robe robi robo robt robu rodd rode rodi rodo roed roer roet roid roio roir roit roiu roob rood rooi roor root roox rore rori roro rort roru rote roti roto rotr rott roub roud roue rout roux roxo rred rrrr rtdt rtee rtei rtex rubb rube rubi rubu rudd rude rudi rudo rued ruer ruet ruid ruit rurd rure ruri ruro ruru rute ruti ruto rutt rutu ruud tbit tbox tbrb tddb tdor tdri tebo tebu tedd tede tedi tedx teed teer teet teie teir teiu teor ter- tere teri tero terr teru tete teti teto tetr tett tetu tetx teut text tibi tibu tidd tide tie- tied tiee tiei tieo tier tiet tiit tiiu tiou tirb tird tire tiri tiro tirr tiru tite titi tito titt titu tixt tobe tobi tobo tobt tobu todd tode todi todo todt todu toed toee toei toer toet toid toie toit tood toor toot tord tore tori toro torr tort toru torx totd tote toti toto totr tott toui tour tout tox- toxi toxo toxt tre- tred tree trei treo tret treu trex tri- trib trie trio trit trix trod troe troi troo trot trou trox trte trtr trub trud true trut truu trux ttbb tteo tter ttoe tttt tubb tube tubo tubr tubu tude tudi tudu tuei tuer tuet tuit tuiu tuix tuor turb turd ture turi turo turr turt turu tute tuti tuto tutt tutu tuuo txii txtr