b-r-k bbook bholu bhook bhool bhoun bhour bkorn blonk blook bloor blorb blunk blurb blurr bo-bo bo-ho bobko bobok bobr bohok bohol bohon bohor bohun bokko bokok bokor bokun bolho bolko boll- bollo bollu bolno bolok bolon boluk bonon bonou booko boonk boorn booru borbo borko borku born- borno bornu boro- borok boron boroo borou borro borul borun bouko boul- boulo bourn brloh brobo brohl brohn broll brolo bronk bronn brook brool broon brouk broun brrrr bruhl bruhn brull brunk brunn bruno bruun bubon bukk- buknu bukor bulb- bull- bulok bulou bulul bulun bunko bunuk bunun buoho buono burn- burol buron buroo burro burru buruk burun hburn hhhhh hhour hlokk hnnbo ho-ho ho-oh hobol hobor hobro hobub hohol hokku hoklo holbr hollo holo- holon holor holou holub holul honbu honko honno honor hoorn hornb horno horol horon horro horru hubur huhuh hukok hullo hulon hulun huolu huork huorn hurko hurll hurok huron huuru k-rob kbool khoku khonb khoro khour khull khulo khuru khuur klonk klunk knokk knoll knork knorr knurl knurr ko-ko kobol kobru kobuk kobul kobun kohlu kohol kohon kokko kokor kokou kokur kolbu kolho kollo kollu kolno kolob kolol kolun kolur konbu konno konnu konro konur koolu koonu koorn kooru korbo korku korno korol koron koror korro koruk korun koulo kouno krnuo krohn kroll kronk kroon kroun krull krunk kruun kubok kubul kukko kukok kukur kullo kullu kulno kulob kulor kulul kulun kulur kunku kunur kurbu kurku kurlu kuruk l-ron lobbo lobo- lobon lobor lohho lohur lokur lollo lolol lonko loobu loron loruk lorun louro lubno lubok lubon lubun lubur lukho lukko lukok lukou lulul lurun nkolo nkubu nnooo no-no nobob nobol nobuo nohno nohor nokko nokon nokul non-u nonno nonoh noonu norbu norok noron norro norun nu-nu nuhuh nuklo nullo nunon nunun nuoro nurlu nuruk nurun o-bon o-r-b obhor oblon obolo oboro obrok oh-oh oh-ok ohorn ohour ohrob okkur okobo okoho okoro okubo okuku okuru ollon ollur olour onhbo onoon onorn onour ooooh ooooo orlok orlon ornon orobo orolu orono oruku oruro oullo oulon oulun ouoro ourno ourol rhoon ro-ro robbo robo- robon robor robun robur rohob rohru rohun rokkk rokon rollo rolok rolon ronk- ronko ronno ronok rookh rorbu rouko roulk roull rubon rubor ruhnu ruhub rullo rulon runo- runon ubobo uh-oh uh-uh uhhoh uhhuh uhuru ukobu ukoln ullur ulno- ululu uluru unkur unnun unnur unoor unorn unrol unruh unrun unurn urkun urnok uroob urour urubu uuork uuuuu