-er b-u bbb bbd bbe bbg bbo bbr bbu bdb bdd bde bdg bdo bdr bdu be- beb bed bee beg beo ber beu bgb bgd bge bgg bgo bgr bgu bob bod boe bog boo bor bou brb brd bre brg bro brr bru bub bud bue bug buo bur buu dbb dbd dbe dbg dbo dbr dbu ddb ddd dde ddg ddo ddr ddu de- deb ded dee deg deo der deu dgd dge dgg dgr dgu dob dod doe dog doo dor dou drb drd dre drg dro drr dru dub dud due dug duo dur ebb ebd ebe ebg ebo ebr ebu ed- edb edd ede edg edo edr edu eeb eed eee eeg eeo eer egb egd ege egg ego egr egu eo- eob eod eoe eog eoo eor eou erb erd ere erg ero err eru eu- eub eud eue eug eur g-d gbd gbe gbg gbo gbr gbu gdb gdd gde gdo gdr gdu ge- geb ged gee geg geo ger geu ggb ggd ggg ggo ggr ggu gob god goe gog goo gor gou grb grd gre grg gro grr gru gu- gub gud gue gug guo gur guu ob- obb obd obe obg obo obr obu odb odd ode odg odo odr odu oeb oed oee oeg oeo oer ogd oge ogg ogo oo- oob ood oog ooo oor or- orb ord ore org oro orr oru ou- oud oue ouo our rbb rbd rbe rbg rbo rbr rbu rdb rdd rde rdg rdo rdr rdu re- reb red ree reg reo rer reu rgb rgd rge rgg rgo rgr rob rod roe rog roo ror rou rrb rrd rrg rrr rru rub rud rue rug ruo rur ruu ubb ube ubg ubo ubr ubu udb udd ude udg udo udr udu ueb ued uee ueg uer ugb uge ugg ugo ugr ugu uob uod uoe uog uoo uor ur- urb urd ure urg uro urr uru uue uug uur uuu

bbbb bbdd bbdo bbeb bbrg bd-r bdog bebb bebe bebo bede bedo bedu beeb beed beeg beer begg bego begu beo- beod beor berd bere berg bero berr beru beur bobb bobe bobo bobu bodb bode bodo bodu boee boeo boer bogd boge bogg bogo boob bood booe boog boor bor- bord bore borg boro borr boru boud boue bour brdo breb bred bree breg breo brer brob brod broe brog broo bror brou brrr brud brue brug bubb bube bubo bubu budb budd bude budg budo budu buer bueu buge bugg bugo bur- burb burd bure burg buro burr buru d-bo dddd ddre ddub debe debu dedd dede dedo dedu deeb deed deeg deer dege dego degu deor der- derb dere derg dero derr deue deur dgeg dgge dobb dobe dobu dod- dodd dode dodg dodo doeg doer dog- doge dogg dogo dogu doob dood door dord dore doro dorr doru doub doud doue doug dour dred dree dreg drge drob drod drog drou drub drue drug druu dub- dubb dube dubu dudd dude dudo dudu duer dugu duo- dure durg duro duru duur ebbo ebbr ebed eber eboe eboo ebor ebro ebru ebur edde eddo ede- eder edge edod edou edru edur eede eedu eeee eerg eero egbe egbu egee eger eggb egge eggo ego- egor egre eode eore erbb erbe erde ereb ered erer erg- ergg ergo erob erod eroe eroo erre erro erub erur eude euer euge eur- eure euro gbbo gbde gddb gdor gebe gedd gede gedo gedu geed geer gege gegg gego geo- geog gerb gerd gere gero geru geue gggg gobe gobo gode godo goed goer gogo good goog goor gorb gord gore gorg goro gorr gou- goud goug gour grbr greb gree greg greu grob grod grog groo gror grou grrr grub grue grug grur gubb gubu gude gudo gudu guer gugb guge gugg gugu gurb gurd gure gurg guro gurr guru o-eo obbo obed ober oboe obor obre obro odbo oddd oded odeo oder odoo odor odou odur oedo oegb oere ogb ogbe ogee oger ogge ogod ogog ogou ogre ogro oobe ooer oooo oord oore orbb orbe orbo orbu orde ordo ordu ore- oreb ored oreg oreo orer orge orgo oro- oroe oror orro orub oude oued ouer ouge our- oure ouro ouu- rbbb rbbr rder rebb rebe rebo rebu redd rede redo redr redu reeb reed regd rege rego regr regu reod reog reou rerd rere rerg rero reru reue reuu rgbe rob- robb robe robo robu rodd rode rodo roed roeg roer roge rogg rogo roob rood roog roor rore roro roru roub roud roue rred rrrr rubb rube rubu rudd rude rudo rued ruer ruge rugg rurd rure ruro ruru ruud ubbe ubbo uber ubod ubud uder udgb udge udoo ugeo uggo ugod ugro ugur uguu uor- uore urbe urde urdu ure- ured urge urgu uro- uroo urre urur uuuu

b-e-d bbbee bd-re bdoor be-er be-ro bebdo bebed beber bebod bebog bedde bedee beder bedog bedub bedue bedug beebe beede beerd begee begge begob begod begor begue begur beode beord beour berbe berde berdu bered bereg berge berob beroe beror berre berru beuer beure bo-bo bobr bobre bodd- boded boder bodge bodoe bodog bodor boedo boege boero boeur boger bogge bogoe bogor bogu bogud bogue bogur boode booed booer boord boore booru borbo borde bordo bored boree borer borge borgo borgu boro- borod boroo borou borre borro boudu boued bouee bouer bouge bourd boure bourg brebu bredd brede breed breer breg- brege bregg breo- brerd brere breu- brobo brodd brode brodo broer brood broud broue brrrr brud- brude brued bruer bruge brugg bubbe buber budde buddu budge budur buger bugge bugoo bugre buord burde burge burgo burgu buroo burro burru burud d-rod ddddd ddebo debed deber debro debug dedde dedee deder dedur deede deere degre deore deoro derbe derde dered dereg derge dero- derob derog derre derro derub derue deure do-do dobee dober dobre dobro dodge dodoo dodro doerr dogbo dogge doggo dogue doodo doore dored doree