b-e-d bbbee bcced bcode bebdo bebed bebod becco becov bedde bedee beebe beede beeve beode bevce bo-bo boboc bobov bocce bodd- boded bodoc bodoe boece boedo booce booco boode booed bovec bovee c-evo ccccc ccdev cddvd cebec ceco- ceddo ceded ceede ceedo ceoce co-bo co-co co-ed cobbe cocc- cocce cocco coceo codco codde codec coded codo coeve coode cooed cooee coved coveo ddddd ddebo debce debed dedde dedee deece deede deeve dev-c devoe do-do dobec dobee dobev doced dodec dodoo dooce doodo dovev dvb-c dvd-d e-dee ebbed eddoe edeo- eeeee eevee evdev eveve evocb obcov obodo ocoee odebo odeco oeco- ooooo oovoo oveco v-bob vecov vedbo vedde veeco veede veeve vevce veveo