bbbb bbdd bbdo bbeb bbet bbpr bd-r bebb bebe bebo bede bedo bedu beeb beed beep beer beet beo- beod beor beot bepo berd bere bero berr bert beru bete beto bett betu beur bobb bobe bobo bobu bodb bode bodo bodu boee boeo boep boer boet boob bood booe boop boor boot bope bopp bor- bord bore boro borr bort boru botb botd bote boto bott boud boue boup bour bout bpoe bpot bprd brdo brdt breb bred bree breo brep brer bret brob brod broe broo bror brot brou brrr brud brue brup brut btbp btdt btob btor btrt bttb bubb bube bubo bubu budb budd bude budo budu buer bueu bur- burb burd bure buro burp burr burt buru but- bute buto butt d-bo dbpd dbtt dddd ddot ddpo ddre ddub debe debt debu dedd dede dedo dedu deeb deed deep deer deet deop deor depe depo depp depr dept der- derb dere dero derp derr dete deto detr deue deur deut dobb dobe dobu dod- dodd dode dodo doer doob dood doop door doot dope dopo dopp dopr dopt dord dore doro dorp dorr dort doru dotd dote doto dott doub doud doue doup dour dout dpdt dper dred dree dret drob drod drop drot drou drub drue drup drut druu dtdp dted dtor dtot dttp dub- dubb dube dubu dudd dude dudo dudu duer duet duo- dupe dupo dure duro durt duru dute dutp duur duut ebbo ebbr ebed eber eboe eboo ebor ebpo ebro ebru ebur edde eddo eddp ede- eder edod edou edru edup edur eede eedu eeee eero eete eetu eode eore eotd eoto epee eper epod epor epot eppo eppp eprb epro eprp epte epub erbb erbe erde ereb ered erer eret erob erod eroe eroo erpe erre erro ertu erub erur etbr etee eter etoe etre etro ette etto ettu eude euer eur- eure euro eurt o-eo obbo obdt obed ober obet oboe obor obot obre obro obtd odbo oddd oded odeo oder odet odoo odop odor odot odou odrp odtu odur oedo oere oobe ooer oooo oord oore oort ootb ootp oped opep oper opet opo- opor oppo opto orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreo orer oro- oroe oror orot orpe orro orte orto orub orup otbd oted otee otep oter oto- otoe otoo otor otpp otre otro otte otto ottu otur oude oued ouer oupe our- oure ouro ourt out- outb oute outo ouu- pbed pdpr ped- pede pedo peed peep peer peet peor peou pepd pepe pepo per- perd pere pero perp perr pert peru pete peto petr pett peur peut pobo pod- podd pode podo podu poed poer poet pood poop poor poot pop- pope popo popp popt porb pore poro porr port potd pote poto pott potu poud poup pour pout pper ppod pppd pppo pppp ppru pptt ppur pre- preb pred pree prep pret preu pro- prob prod proe proo prop prot prou prpd prrd prtp prtr prud prue prut pruu pter ptop ptpd ptrd pu-e pube pubu pudo pudu pued pueo puer puet pueu pupe pupu pur- purb pure puro purp purr puru put- pute puto putt putu rbbb rbbr rdbp rder rebb rebe rebo rebu redd rede redo redr redu reeb reed reep reet reod reop reot reou repe repo repp repr rept repu rerd rere rero rert reru retd rete reto retr rett reue reup reut reuu rob- robb robe robo robt robu rodd rode rodo roed roer roet roob rood roop roor root rope ropo rore roro rort roru rote roto rotr rott roub roud roue roup rout rpdp rpet rpob rpoe rptd rred rrrr rtdt rtee rttp rubb rube rubp rubu rudd rude rudo rudp rued ruer ruet rupe rupp rupt rurd rure ruro rurp ruru rute ruto rutt rutu ruud tbrb tbtp tddb tdor tebo tebu tedd tede teed teer teet teor tepe tepp tepu ter- tere tero terp terr teru tete teto tetr tett tetu teut tobe tobo tobt tobu todd tode todo todt todu toed toee toer toet tood toor toot top- topd tope topo topp topt topu tord tore toro torp torr tort toru totd tote toto totr tott toup tour tout tpdu tped tper tppd tppp tppr tpte tptp tptr tput tre- tred tree treo tret treu trod troe troo trop trot trou trpe trpp trte trtr trub trud true trut truu ttbb tteo tter ttoe ttop tttt tubb tube tubo tubr tubu tude tudu tuer tuet tuor tupe tupo tupu turb turd ture turo turp turr turt turu tute tuto tutt tutu tuuo u-rp ubbe ubbo uber ubet ubod ubud uder udet udoo udop udot udpd uor- uore upbe updo uped upor uppe uppp uppu upto upup urbe urde urdu ure- ured uret uro- uroo urpo urre urte urup urur urut utep uter utor utpd utto uttu uuuu