-er b-u bbb bbd bbe bbo bbr bbu bdb bdd bde bdo bdr bdu be- beb bed bee beo ber beu bob bod boe boo bor bou brb brd bre bro brr bru bub bud bue buo bur buu dbb dbd dbe dbo dbr dbu ddb ddd dde ddo ddr ddu de- deb ded dee deo der deu dob dod doe doo dor dou drb drd dre dro drr dru dub dud due duo dur ebb ebd ebe ebo ebr ebu ed- edb edd ede edo edr edu eeb eed eee eeo eer eo- eob eod eoe eoo eor eou erb erd ere ero err eru eu- eub eud eue eur ob- obb obd obe obo obr obu odb odd ode odo odr odu oeb oed oee oeo oer oo- oob ood ooo oor or- orb ord ore oro orr oru ou- oud oue ouo our rbb rbd rbe rbo rbr rbu rdb rdd rde rdo rdr rdu re- reb red ree reo rer reu rob rod roe roo ror rou rrb rrd rrr rru rub rud rue ruo rur ruu ubb ube ubo ubr ubu udb udd ude udo udr udu ueb ued uee uer uob uod uoe uoo uor ur- urb urd ure uro urr uru uue uur uuu

bbbb bbdd bbdo bbeb bd-r bebb bebe bebo bede bedo bedu beeb beed beer beo- beod beor berd bere bero berr beru beur bobb bobe bobo bobu bodb bode bodo bodu boee boeo boer boob bood booe boor bor- bord bore boro borr boru boud boue bour brdo breb bred bree breo brer brob brod broe broo bror brou brrr brud brue bubb bube bubo bubu budb budd bude budo budu buer bueu bur- burb burd bure buro burr buru d-bo dddd ddre ddub debe debu dedd dede dedo dedu deeb deed deer deor der- derb dere dero derr deue deur dobb dobe dobu dod- dodd dode dodo doer doob dood door dord dore doro dorr doru doub doud doue dour dred dree drob drod drou drub drue druu dub- dubb dube dubu dudd dude dudo dudu duer duo- dure duro duru duur ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edde eddo ede- eder edod edou edru edur eede eedu eeee eero eode eore erbb erbe erde ereb ered erer erob erod eroe eroo erre erro erub erur eude euer eur- eure euro o-eo obbo obed ober oboe obor obre obro odbo oddd oded odeo oder odoo odor odou odur oedo oere oobe ooer oooo oord oore orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreo orer oro- oroe oror orro orub oude oued ouer our- oure ouro ouu- rbbb rbbr rder rebb rebe rebo rebu redd rede redo redr redu reeb reed reod reou rerd rere rero reru reue reuu rob- robb robe robo robu rodd rode rodo roed roer roob rood roor rore roro roru roub roud roue rred rrrr rubb rube rubu rudd rude rudo rued ruer rurd rure ruro ruru ruud ubbe ubbo uber ubod ubud uder udoo uor- uore urbe urde urdu ure- ured uro- uroo urre urur uuuu

b-e-d bbbee bd-re bdoor be-er be-ro bebdo bebed beber bebod bedde bedee beder bedub bedue beebe beede beerd beode beord beour berbe berde berdu bered berob beroe beror berre berru beuer beure bo-bo bobr bobre bodd- boded boder bodoe bodor boedo boero boeur boode booed booer boord boore booru borbo borde bordo bored boree borer boro- borod boroo borou borre borro boudu boued bouee bouer bourd boure brebu bredd brede breed breer breo- brerd brere breu- brobo brodd brode brodo broer brood broud broue brrrr brud- brude brued bruer bubbe buber budde buddu budur buord burde buroo burro burru burud d-rod ddddd ddebo debed deber debro dedde dedee deder dedur deede deere deore deoro derbe derde dered dero- derob derre derro derub derue deure do-do dobee dober dobre dobro dodoo dodro doerr doodo doore dored doree dorre dorud doude douer doure douro drbob drdre dredd drede dreed drere drobe drobo drode drood droue drude dubbo dubee duddo duded duder dudou duere duerr durbe dured duree durer durre e-dee ebbed ebber eboue ebure edder eddoe eddre edeo- edere edoor edred eeeee eerde eorre erbbe erber erdor erdre erede erere erode erodr eroor erore erred error eubro euro- eurre o-r-b obodo oboro oboue obreb obudu odder oddur odebo odeur odore odour odudu odure oduro oo-er ooooo orbed order ordre ordro oredo oreed oreo- orere orero orobe orobo orodo oroer orube oruro ouder ouedo ouoro ourde oure- rebbe reber rebud redbd redde reder redor redub redur reede reere reord rerde rere- reree rerob reuer ro-ro robbe robbo robed rober robo- robor robur rodbo rodde roded rodeo roder rodor roero roode roodu rooer roore rooue rorbu rorer roude rouer roure rubee ruber rubor ruder ruede ruere rurde u-dub uber- ubobo udder uouee urdee uredo ureo- uroob urour urubu uuuuu

bbbbbb be-ode bedded bedder beddoe beduru beebee beedee beerde berbee berbeo berber berede berere berour berrer berube beurre bobbed bobber bodder boeber boerre boobed boober booboo booder boorde booue borbor border bordre borore bororo boubou boudou boueer bouerd bourde bouree bourou bourre bredbo bredde breded breder breede breere breuer broder broode broude brubru bruder brurde bruree bubber bububu budded budder burbur burder burdur burred burree burrer de-err debdeb debdou debere debord deburr dededo deeded deedee deeder deodeo deorro derere derobe derrer derure deubre dobbed dobber dodded dodder dododo doober doored dorbod dorobo dorood dororo dorred dorree doubbe doudou dourer dourou dreder druber dubbed dubber dubdub dudder duerer eburru eebree eored erbree eroded eroder errour eudore eururo obdure obrode odored odoreu oooooo oordoo ordoru ordure orebed orrour ouerre rebore rebour rebred redbed redbud redded redder reddur redere redoer redoub redred redroe redure reeded reeder rerobe rerode reuere reuour robbed robber robede roberd rodded rodder rodero roeder rouede rourde rubbed rubbee rubber rubedo rubro- rudder rudrur ubered udburu uddebo urdeur urouer uroure

bbbbbbb bebeeru beddred bedered bedrobe beduer berbere berobed berrord bodoude boo-boo borbore bordour bordure borrero