bbbbbb blubbo blublu bokkol boklok bolbol bolobo bololo bonbon bondon bonobo booboo boubou boudon boudou boukou bould- boulon boulou bounou bububu bulbo- bulbul buldoo bullon bullou bulolo bundoo bunol d-book doblon dododo dodunk dok-do dokolo dollon dololo dolool dondon donlon doudou doulou dubdub duboko duddon dukono dukool duldul dululu dundun dunoon duolun klobuk klodno klub-u kobodo koboko kobold kodkod kodoku kokoku kokolo kokoon kokoun kokubo kol-od koldun kolluk kololo koodoo kookoo koubou koudou koukou koulou kulolo kululu kundoo kundun kunlon kunlun lobolo loddon lokono lolobo london lonnol lookon looloo loudon loudun loukou loulon loulou lubbon lubdub lukulu lunlun nkonko nnundu nobold nobuko nobull nolook non-no nonkon nonodd nonold nonono nonoon noonoo nounou nukkuu nuklon nukunu null-o o-knon obokun obolno obolon obudno okollo okondo olobok olokun oluklu onbook onklou onlook oooooo ouolon uboldo ubundu udukku udullu unbold unbook unbulk undull unlook unlouk unlull