b-r-k bbook bhook bhool bhoot blook bloor blorb blort bloto blott bo-bo bo-ho bobko bobok bobr bohok bohol bohor bohot bokko bokok bokor bolho bolko boll- bollo bolok bolto booko boort booth borbo borko boro- borok boroo borot borro borth botok botro brloh brobo brohl broll brolo brook brool broth broto brrrr btr-t hhhhh hlokk ho-ho ho-oh hobol hobor hobro hohol hohot hoklo holbr hollo holo- holor hookt hoort horol horro horth horto hothr hotol hotot hotto hthrt k-rob k-t-b kbool khoro kloot ko-ko kobol kohol kokko kokor kokot kolho kollo kolob kolol kolot korbo korol koror korro korth kotor kotto kroll kroot krtok lobbo lobo- lobor lohho lokot lollo lolol lolth lookt looth lotor lotto o-r-b obhor obolo oboro oboth obrok oh-oh oh-ok ohbot ohrob ohrot okobo okoho okoro ooooh ooooo orbot orlok orobo orth- ortho ortok ortoo otolo ototo otrok ro-ro robbo robo- robor robot robrt rohob rokkk rokot rokto rollo rolok rookh rotho rotko roto- rotol rotor rotot rotto rt-rk tbolt tbtbt tholl thoro thorr thort thoth throb throo throt tllbr to-ho tobol tobor tobot tohot tokko toko- tokol tokor tolbo tolko tollo toloo tolor tookh toolt tooth torht torob torok torro torto toto- totok totoo troll troth trott ttttt