bbbb bbdd bbdo bbeb bblb bbox bd-r bdle bebb bebe bebo bede bedl bedo bedu beeb beed beel beer beld bele bell belo belu beo- beod beor berd bere bero berr beru beur beux bldr bleb bled blee bleo bleu blob blod bloo blou blub blud blue blur bobb bobe bobo bobu bodb bode bodo bodu boee boel boeo boer bold bole boll bolo bolu boob bood booe bool boor boox bor- bord bore boro borr boru boud boue boul bour brdo breb bred bree brel breo brer brex brob brod broe brol broo bror brou brox brrr brud brue brux bubb bube bubo bubu budb budd bude budl budo budu buel buer bueu bulb buld bule bull bulu buol bur- burb burd bure burl buro burr buru d-bo dddd ddre ddub debe debu dedd dede dedo dedu deeb deed deel deer deld dele dell delo deol deor der- derb dere dero derr deue deul deur deux dex- dexe dlbd dlux do-x dobb dobe dobl dobu dod- dodd dode dodo doel doer dold dole doll dolo dolu doob dood dool door dord dore doro dorr doru doub doud doue doul dour doux dred dree drel drob drod drol drou drub drue druu dub- dubb dube dubu dudd dude dudo dudu duel duer dule dull dulo dulu duo- dure duro duru duul duur dxbe dxbl dxbr dxdr dxed dxel dxll dxlr dxol dxrd dxre dxrl dxrr dxrx dxue dxur dxxl dxxr dxxx ebbo ebbr ebed ebel eber eboe ebol eboo ebor ebox ebro ebru ebul ebur edde eddo ede- edel eder edex edle edod edou edru edur edxl eede eedu eeee eele eero el-b elbe elbo elbu elde eldr eled elee eleo eler elex elle ello ellu elod elro elue elul eode eole eolo eore eorl eoux er-x erbb erbe erde ereb ered erel erer erld erle erll erob erod eroe erol eroo erre erro erub erur eude euer eule eur- eure euro exed exel exer exo- exod exor exrx exul lblr ldeo le-u lebd lebo lebu lede ledo leed leel leer lele lell lelo lelu leod leor leou leox lerd lere lero leud leur lexx lldb lleu llll llod lloo llud lob- lobb lobe lobo lode loeb loeu lold lole loll lolo loob lood looe lool loor lord lore loro loud loue loul lour louu loux lox- loxo lrdd lrrr lube ludd lude ludo lued luer lule lull lulu lurd lure luxe luxo lxde lxxx o-eo obbo obed obel ober obex oble oblu oboe obol obor obox obre obro odbo oddd oded odel odeo oder odex odle odoo odor odou odrl odur oedo oele oere olbo oldb olde ole- oled oleo oler olle ollo olor olur olux oobe ooer oold oolo oooo oord oore orbb orbe orbo orbu orde ordo ordu ore- oreb ored orel oreo orer orex orle orlo orlu oro- oroe oror orro orub oude oued ouer ould oule oulu oulx our- oure ouro ouu- oxer oxo- oxox oxud oxxo rbbb rbbr rble rder rebb rebe rebo rebu redd rede redl redo redr redu redx reeb reed reel relb reld rele rell relo reod reol reou rerd rere rero reru reue reul reuu reux rexx rlee rleu rob- robb robe robo robu rodd rode rodo roed roel roer rold role roll rolo roob rood rool roor roox rore roro roru roub roud roue roul roux roxo rred rrle rrrr rubb rube rubu rudd rude rudl rudo rued ruel ruer rule rull rulo rurd rure ruro ruru ruud ubbe ubbo uber uble ublo ubod ubud udel uder udoo udox uele uell ulde uleb ulee uleo ulex ulle ullo ullr ulo- ulul uor- uore urbe urde urdu ure- ured urex urle uro- urol uroo urox urre urur uulu uuuu uxor uxue uxul x-ed xbee xbel xbox xbrl xeer xer- xero xexe xldb xlox xolo xoro xoxo xrdb xrod xuld xuxu xxxo xxxx