bbbbbb bhookh bhutto bo-hoo booboo boohoo botoko boubou bought bougou boukou boutob btooth bububu bugbug bugout buk-gu bukoto buttto buutuo g-book ghutku go-out gogbot gohook googoo gothot gotout gubgub guthuk hhgttg hohhot hohoho hokuto hoohoo hotbot hottot hottub houtou hubbub hububb huh-uh huhhot hukkok huoguo huthut kkoktu kobogo koboko kohoku kohout kokkoh kokoku kokott kokubo kookoo koothu kootoo koottu kotoko kotuku koubou koukou koutou o-hook ohohoh ohtoto oohooh oooooo thgttg thoght though thouth thught tkhkot tkhkut tkoutt toboot togout tokuko toohot tookto tootoo totkuh tougbo tought touhou toutou toutuo tuktuk tuotuo tuttut u-boot uh-huh utouth utukku