b-r-k bbook bhili bhooi bhook bhool bi-lo bibbo bibio bibri bihor bikok bikol bilbi bilbo bili- bilko billi billo bioko birol blikk blook bloor blorb bo-bo bo-ho bobbi bobik bobko bobok bobr bobri bohok bohol bohor bohri boilo boiro bokko bokok bokor bolho bolko boll- bolli bollo bolok booki booko borbo borik borio borko boro- borok boroo borro brill brloh brobo brohl broil broll brolo brook brool brrrr h-bio h-iib hhhhh hi-hi hi-lo hibhi hibob hibor hibri hikki hikoi hilli hillo hiril hiroi hiroo hlokk ho-ho ho-oh hobli hobol hobor hobro hohol hoill hokki hoklo holbr holik holli hollo holo- holor hooli hoori horii horio horki horol horro ibibo ibill ibook ibrik iiiii ikobo ikolo ikoro ilio- iloko ilook ilori ioooi ioooo iorio iriki irill irobo iroko irori k-rob kbool khobi khori khoro ki-hi kibbi kibbo kibi- kibor kiiki kiili kikki kikko kikoi kikol kill- killi kilo- kiloi kiloo kioko kiril kirki ko-ko kobil kobol kobri kohir kohki kohli kohol koili koiri kokil kokir kokki kokko kokoi kokor kolhi kolho kolki kolli kollo kolob koloi kolol kooki kooli koori korbo korki korol koror korri korro kribi krill kriol kroll lhohi liboi libor libri libro lihir likho likir likli lilli lillo lirik liril lirio lobbo lobi- lobio lobir lobo- lobor lohho lohio lohri loibl loilo lolli lollo lolol lorio lorki lorri o-r-b obhor oblik oblio oboli obolo oboro obrok oh-oh oh-ok ohiki ohrio ohrob oiko- okhli okobo okoho okoki okoro ollio olrik ooioo ooooh ooooo oribi orill oriol orlik orlok orobo ribbi ribo- rikhi rikki rillo rioli riolo ro-ro robbi robbo robik robo- robor rohob rohri rokki rokkk rolki rollo rolok roohi rookh rorik