bbbbbb blubbo blublu bogong bokkol boklok bolbol bolobo bologo bololo bolong bonbon bonobo bonogo booboo boubou bougon bougou boukou boulon boulou bounou bubong bububu bugbug bugong bugull buk-gu bulbo- bulbul bulguk bullon bullou bulolo bulong bulung bunol g-book globo- glogno glooko gobbon goboon goboun gokkun gokool golgun gollob gollub golong gongbo gongbu gonogo googol googoo googul gubbon gubgub guggol guggul gugong gulgul gulluk gunlok gunluk gunong gunung klobuk klub-u kobogo koboko kobong kokoku kokolo kokong kokoon kokoun kokubo kolluk kologo kololo kolong konglu kookoo koubou koukou koulou kubong kulolo kululu kunlon kunlun lobogo lobolo log-on lokono lolobo lolong lolugu longnu longon lonnol loobgg lookon looloo lougou loukou loulon loulou loungo lubbon luglon lugogo lugulu lukulu lulung lunlun luongo ngolok ngongo nkonko nobuko nobull nolook non-no nonkon nonono nonoon noonoo nounou nukkuu nuklon nukunu null-o o-knon o-kung oblong obokun obolno obolon obongo ogongo okollo okongo olobok ologun olokun oluklu onbook onklou onlook oolong oooooo oulong ouolon ubongo ubungo unbook unbulk unbung ungogo ungull unlook unlouk unlull