-er b-u bbb bbd bbe bbf bbo bbr bbu bdb bdd bde bdf bdo bdr bdu be- beb bed bee bef beo ber beu bfb bfd bfe bff bfo bfr bfu bob bod boe bof boo bor bou brb brd bre brf bro brr bru bub bud bue buf buo bur buu dbb dbd dbe dbf dbo dbr dbu ddb ddd dde ddf ddo ddr ddu de- deb ded dee def deo der deu dfb dfd dfe dff dfo dfr dfu dob dod doe dof doo dor dou drb drd dre dro drr dru dub dud due duf duo dur ebb ebd ebe ebf ebo ebr ebu ed- edb edd ede edf edo edr edu eeb eed eee eef eeo eer ef- efb efd efe eff efo efr eo- eob eod eoe eof eoo eor eou erb erd ere erf ero err eru eu- eub eud eue euf eur fbb fbd fbe fbf fbo fbr fbu fdb fdd fde fdf fdo fdr fdu feb fed fee fef feo fer feu ffd ffe fff ffo ffr ffu fob foe fof foo for fou frb frd fre frf fro frr fru fub fud fue fuf fuo fur fuu ob- obb obd obe obf obo obr obu odb odd ode odf odo odr odu oeb oed oee oef oeo oer of- ofb ofd ofe off ofo ofr ofu oo- oob ood oof ooo oor or- orb ord ore orf oro orr oru ou- oud oue ouf ouo our rbb rbd rbe rbf rbo rbr rbu rdb rdd rde rdf rdo rdr rdu re- reb red ree ref reo rer reu rfb rfd rfe rff rfo rfr rfu rob rod roe rof roo ror rou rrb rrd rrf rrr rru rub rud rue ruf ruo rur ruu ubb ube ubf ubo ubr ubu udb udd ude udf udo udr udu ueb ued uee uef uer ufd ufe uff ufo ufr ufu uob uod uoe uoo uor ur- urb urd ure urf uro urr uru uue uur uuu

bbbb bbdd bbdo bbeb bd-r bduf bebb bebe bebo bede bedo bedu beeb beed beef beer befe beff befo beo- beod beof beor berd bere bero berr beru beur bobb bobe bobo bobu bodb bode bodo bodu boee boef boeo boer bofd bofe boff bofu boob bood booe boof boor bor- bord bore borf boro borr boru boud boue bouf bour brdo breb bred bree bref breo brer brfu brob brod broe broo bror brou brrr brud brue bubb bube bubo bubu budb budd bude budo budu buer bueu bufe buff bufo bufr bur- burb burd bure buro burr buru d-bo dbfo dddd ddre ddub debe debu dedd dede dedo dedu deeb deed deef deer defe deff defo deor der- derb dere derf dero derr deue deur dfer dfoe dfrf dobb dobe dobu dod- dodd dode dodo doer doff doob dood doof door dord dore dorf doro dorr doru doub doud doue douf dour dred dree dref drob drod drof drou drub drue druu dub- dubb dube dubu dudd dude dudo dudu duer duff dufu duo- dure duro duru duur ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edde eddo ede- eder edfu edod edou edru edur eede eedu eeee eefe eero efbr efeo efor eode eore erbb erbe erde erdf ereb ered erer erob erod eroe eroo erre erro erub erur eude euer eur- eure euro febo fede feeb feed feer fefe feff fefo feod feof ferb ferd fere fero ferr feru feud ffee ffff ffrr fode foed foer fofo food foof for- forb ford fore foro forr foud four fred free freo frob froe frou frub frue fubb fubu fudd fude fuff fufu fuor fur- fure furo furr o-eo obbo obed ober oboe obor obre obro odbo oddd oded odeo oder odoo odor odou odur oedo oere oeuf ofdr ofer off- offe offo offr offu ofor ofre oobe ooer ooff oooo oord oore orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreo orer orfe orff orfu oro- oroe orof oror orro orub oude oued ouer oufe ouff our- oure ouro ouu- rbbb rbbr rder rebb rebe rebo rebu redd rede redo redr redu reeb reed reef refd refe reff refr refu reod reof reou rerd rere rero reru reue reuf reuu rfef rob- robb robe robo robu rodd rode rodo roed roer rofe roff rofo roob rood roof roor rore roro roru roub roud roue rouf rred rrrr rubb rube rubu rudd rude rudo rued ruer rufe ruff rufo rurd rure ruro ruru ruud ubbe ubbo uber ubod ubud uder udoo ufer uffe uofo uor- uore urbe urde urdu ure- ured urfe urff uro- uroo urre urur uuuu

b-e-d bbbee bd-re bdoor be-er be-ro bebdo bebed beber bebod bedde bedee beder bedof bedub bedue beebe beede beerd beffe befoe befor befur beode beofe beoff beord beour berbe berde berdu bered berob beroe beror berre berru beuer beure bo-bo bobr bobre bodd- boded boder bodoe bodor boedo boero boeuf boeur boffo 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 breef breer breo- brerd brere breu- brobo brodd brode brodo broer brood broud broue brrrr brud- brude brued bruer bruff bubbe buber budde buddu budur buffe buffo buord burde buroo burro burru burud d-rod ddddd ddebo debed deber debro dedde dedee deder dedur deede deefe deeff deere defed defeo defer deffe deffo defoe deore deoro derbe derde dered dero- derob derre derro derub derue deure do-do dobee dober dobre dobro dodoo dodro doerr dofor doodo doore dored doree dorff dorre dorud doude douer doufe doufu doure douro drbob drdre dredd drede dreed dreff dreof drere drobe drobo drode drofe droff drood droof droue drude dubbo dubee duddo duded duder dudou duere duerr dufur durbe dured duree durer durre e-dee ebbed ebber eboue ebure edder eddoe eddre edeo- edere edfor edoor edred eeeee eefde eerde efere effed effer efore efuru eofor eorre erbbe erber