bbbb bbdd bbdo bbeb bd-r bdii bebb bebe bebi bebo bede bedi bedo beeb beed beer beir beo- beod beor berd bere beri bero berr bibb bibe bibi bibo bide bidi bido bidr bieb bied bier bio- bioi birb bird bire biri biro birr bobb bobe bobi bobo bodb bode bodi bodo boee boeo boer boi- boid boie boii boob bood booe boor bor- bord bore bori boro borr brdo breb bred bree brei breo brer brid brie brio brob brod broe broo bror brrr d-bo dddd ddie ddre debe debi dedd dede dedi dedo deeb deed deer deid deie deir deor der- derb dere deri dero derr dibb dibe dibo dide didi dido dieb died dier diii dior dird dire dirr dobb dobe dobi dod- dodd dode dodi dodo doer doid doob dood door dord dore dori doro dorr dred dree drei drib drie drob drod ebbo ebbr ebed eber ebid eboe eboo ebor ebro edde eddi eddo ede- edei eder edie edod eede eeee eero eid- eide eidi eido eidr eied eiei eier eird eire eode eoir eore eori erbb erbe erde erdi ereb ered erei erer erie erio erob erod eroe eroi eroo erre erro i-be ibdo ibed ibid ibie ibrd ibri ibro idbe iddo ided idee ideo ider idid idie idio idir idre idro iedr ieie ieio iere ieri iide iied iiie iiii iiio iioi iioo iobi iod- iodd iode iodo ioee ioii ioio iooi iooo iore iori irbe irdo ired iree irer iri- irid irie irio irob irod irre irri o-eo obbo obed ober obid obie oboe oboi obor obre obri obro odbo oddd oddi oded odei odeo oder odie odio odir odoo odor oedo oeid oere oido oier oiii oire oobe oobi oodi ooer ooid oooo oord oore orbb orbe orbi orbo orde ordo ore- oreb ored oreo orer ori- orid orie orio oro- oroe oror orri orro rbbb rbbr rder rdio rebb rebe rebo redd rede redi redo redr reeb reed reid reii reir reod rerd rere reri rero rib- ribe ribo ridd ride ridi rido ried rier rire riri rob- robb robe robi robo rodd rode rodi rodo roed roer roid roio roir roob rood rooi roor rore rori roro rred rrrr