bbbb bbdd bbdo bbeb bbrg bd-r bdog bebb bebe bebo bede bedo beeb beed beeg beek beer begg bego beke beko beo- beod beok beor berd bere berg berk bero berr bkgd bobb bobe bobo bodb bode bodo boee boeo boer bogd boge bogg bogo boke boko boob bood booe boog book boor bor- bord bore borg bork boro borr brdo breb bred bree breg brek breo brer brkb brob brod broe brog brok broo bror brrr d-bo dddd ddre debe dedd dede dedo deeb deed deeg deek deer dege dego dek- deke deor der- derb dere derg derk dero derr dgeg dgge dgkb dgkd dgkg dobb dobe dod- dodd dode dodg dodo doeg doek doer dog- doge dogg dogo doke doko doob dood dook door dord dore dork doro dorr dred dree dreg drek drge drob drod drog ebbo ebbr ebed eber eboe eboo ebor ebro edde eddo ede- eder edge edod eede eeee eeke eerg eero egbe egee eger eggb egge eggo ego- egor egre ekeb eked ekek eker eode eore erbb erbe erde ereb ered erer erg- ergg ergo erke erob erod eroe eroo erre erro gbbo gbde gddb gdor gebe gedd gede gedo geed geek geer gege gegg gego geko geo- geog gerb gerd gere gero gggg gobe gobo gode godo goed goer gogo goke good goog gook goor gorb gord gore gorg goro gorr grbr greb gree greg grob grod grog grok groo gror grrr kbbb kbbd kbbe kbbg kbbk kbbo kbbr kbdb kbde kbdg kbdo kbdr kbeb kbed kbee kbek kbeo kber kbgb kbge kbgg kbgo kbgr kbkb kbkg kbkk kbko kbkr kbob kbod kboe kbok kboo kbrb kbrd kbre kbrg kbrk kbro kdbb kdbg kdbr kddb kddd kddg kddk kddr kdeb kdge kdgo kdkb kdkd kdkk kdko kdkr kdoe kdog kdok kdrb kdro kebb kebe kebr kedb kedd kede kedg kedo kedr keed keek keer kege kegg kegk kegr kekb keke keko keok ker- kerb kere kerk kero kerr kgbb kgbr kgdb kgdd kgeb kged kgeo kggg kggo kggr kgoe kgor kgrb kgrd kgre kgrg kgrk kgro kgrr kkbb kkbd kkbe kkbg kkbo kkbr kkdd kkdg kkdo kked kkeg kkgb kkgo kkgr kkkk kkob kkoo kkor kkrb kkre kkrk kkro kkrr kobb kobe kobk kobo kobr kode kodk kodo koed kogb kogd koge kogg kogo kokb koke kokk koko kokr koob koog kook kooo koor korb kord kore korg kork koro korr krbb krbd krbe krbg krbk krbr krdd krde krdg krdo krdr kreb kred kree krek kreo krkd krke krkk krko krkr krob krod kroe krog krok kroo kror krrb krre krrg krrk krro krrr o-eo obbo obed ober obkb oboe obok obor obre obro odbo oddd oded odeo oder odoo odor oedo oegb oere ogb ogbe ogee oger ogge ogod ogog ogre ogro oked oker okgo okko okok okor okre okro oobe ooer oooo oord oore orbb orbe orbo orde ordo ore- oreb ored oreg orek oreo orer orge orgo orke orko oro- oroe orok oror orro rbbb rbbr rder rebb rebe rebk rebo redd rede redo redr reeb reed reek regd rege rego regr reke reko reod reog rerd rere rerg rero rgbe rob- robb robe robo rodd rode rodo roed roeg roer roge rogg rogo roke rokk roko rokr roob rood roog rook roor rore rork roro rred rrrr