bbgun bbook bo-bo bobko bobok bogno bogon bogu bokko bokok bokun bongo bongu bonon bonou booko boong boonk bouko boung bubon bugno bugok bugoo bugun bukk- buknu bungo bungu bunko bunuk bunun buono gboko gnugo go-go go-on go-oo gobbo gogok gogon gongo gonnn gonno gono- goobo goong goung gounn gubbo gubno gukgo gungu k-gun knokk ko-ko kobuk kobun kogon kogun kokko kokou konbu kongo kongu konno konnu koogu koonu kouno kubok kukko kukok kungu kunku ngoko ngong ngugu nkubu nnooo no-go no-no nobob nobuo nokko nokon non-u nonno noonu nu-nu nunon nunun o-bon ognon ogogo ogugu okobo okubo okuku ongon onoon ooooo ubobo ugong ukobu ukong ukuug un-go ungok ungon unnun uuuuu