bdoor bo-bo bobr bodd- bodor boord borbo bordo boro- borod boroo borox borro brobo brodd brodo brood brrrr d-box d-rod ddddd do-do dobox dobro dodoo dodro doodo doorx drbob drobo drood droop drop- dropo dxdxd o-r-b obodo oboro ooooo oopod opobo opodo ordro orobo orodo p-box p-o-x po-po pobox podo- podob podor poopo popop poppo poro- porro pppox probo prodd proor prop- propp propr ro-ro robbo robo- robop robor rodbo rodor rprop x-box xbxrx xorro xoxox