bbbbbb bhookh bhutto bo-hoo bobrok bokoro booboo boohoo borbor borkou boroko bororo boruth bothr- botoko botoro boubou boukou bourou bourth boutob brokkr brotto brubru brutto btooth bububu bukkur bukoto bukuru burbot burbur burhou burkut burotu buruku burutu butbro buttto buutuo h-hour hohhot hohoho hokuto hoohoo hookor hooroo hororo horror hortor hotbot hotoro hottot hottub houtou htruth hubbub hububb huh-uh huhhot hukkok hurroo hurth huthur huthut khoroo khoruk khuhro khutor kkoktu koboko kohoku kohout kohtru kokkoh kokoku kokoro kokott kokubo kookoo koothu kootoo koottu korbut korkor korkut kororo korubo koruru kothur kotoko kottur kotuku koubou koukou kouoro kourou kourtt koutou kuroko kurort kurukh kururu o-hook obturb ohohoh ohtoto oohooh ookroo oooooo orrho- orrour ortho- ottoor outour outtro rhobtb roboto rokkor rokuko rokuro rothko rotork rotour rotout rotrou routot rubbot rubout rubro- rubutu ruhroh rukutu rurutu rutour thokur thoro- thourt thouth throut thurbo tkhkot tkhkut tkoutt toboot tobruk tohoro tokuko tokuro toohot tookto tootoo tororo toroth tortor tortou totkuh totoro totrot touhou tourou toutou toutuo trokut trotro tuktuk tuotuo turbo- turbot turko- turtuk turtur tururu tutour tuttut u-boot uh-huh urhobo utkoor utouth utroor utukku utukur