-lock b-r-k bbook bcock block blook bloor blorb bo-bo bobko boboc bobok bobr bocor bokko bokok bokor bolko boll- bollo bolok boock booco booko borbo borck borko boro- borok boroo borro brcko brobo brock broll brolo brook brool brrrr c-cor ccccc ccrcl clock cloob clook cloor co-bo co-co cobol cocc- cocco cocol cokk- coll- collo colo- colok color coolo corbo coro- corol corrl crock croco croll crook crool k-rob kbool klock ko-ko kobol kokko kokor kollo kolob kolol korbo korck korol koror korro krock kroll lobbo lobo- lobor lockb loco- locro lollo lolol loock lorck o-r-b obock obolo oboro obrok ockro ocllo ocr-b okobo okoc okoro ooooo orlok orobo oroco r-co- rcolo ro-ro robbo robo- robor rocco rocko rocor rokkk rollc rollo rolok