-lock bbook bckdk bcock block blood blook bo-bo bobko boboc bobok bodd- bodoc bokko bokod bokok boldo bolko boll- bollo bolok boock booco booko boold ccccc clock clodo cloob clook co-bo co-co cobol cocc- cocco cocol codco codo cokk- coll- colld collo colo- colok coold coolo d-loc ddddd do-do do-ol dobok dodol dodoo dokdo dollo doodo k-b-d kbool klock ko-ko kobol kodok kokko koldo kollo kolob kolol ldodk lobbo lobo- locdb lockb loco- loddo lollo lolol loock obock obodo obolo ocllo odolo okobo okoc ooooo