b-r-k bbbee bbook be-er be-ro bebek beber beebe beeke beher beker bekke bekko bekok berbe bereh berek berhe berk- berke berko berob beroe berok beror berre bheer bhook bhore bo-bo bo-ho bobek bobko bobok bobr bobre boeke boero bohok bohor bokeh bokeo boker bokko bokok bokor booer booke booko boore borbo boree borek borer borko boro- borok boroo borre borro breek breer breke breo- brere brobo broek broer broke brook brrrr ebber ebeko ebook eeeee eheke ekeko ekker eorre erbbe erber erere erkko eroor erore error h-e-b he-he he-ro hebbe hebe- heber heere heker hekk- heore herek herke heroe herre herro hhhhh ho-ho ho-oh hoboe hobor hobro hoeke hohoe hoker hokke hooer hooke hoore horeb horhe horre horro hrbek hrere k-rob kebbe kebek keber kebob keeho keere kehek kehoe kerek kerre kheer khoro ko-ko kobee kober koker kokko kokor kokre korbe korbo koreh korek korke koror korro kre-o kreek kreke kreo- kroke o-r-b obhor oboro obreb obrok oh-oh oh-ok ohrob okeke okere okhre okker okobo okoho okoro oo-er ooher ooooh ooooo oreo- orere orero orobe orobo oroer oroke rebbe reber reere reerh reher rehoe rekke rere- reree rerob rheo- rhoeo ro-ro robbe robbo rober robo- robor roero rohob rokee roker rokke rokkk rooer rooke rookh roore rorer rorke