bbook bhook bhoun bo-bo bo-ho bobko bobok bohok bohon bohun bokko bokok bokun bonon bonou booko boonk bouko bubon bukk- buknu bunko bunuk bunun buoho buono hhhhh hnnbo ho-ho ho-oh hobub hokku honbu honko honno huhuh hukok khoku khonb knokk ko-ko kobuk kobun kohon kokko kokou konbu konno konnu koonu kouno kubok kukko kukok kunku nkubu nnooo no-no nobob nobuo nohno nokko nokon non-u nonno nonoh noonu nu-nu nuhuh nunon nunun o-bon oh-oh oh-ok okobo okoho okubo okuku onhbo onoon ooooh ooooo ubobo uh-oh uh-uh uhhoh uhhuh ukobu unnun uuuuu