rouko rubon rubor ruhnu ruhub runo- runon ubobo uh-oh uh-uh uhhoh uhhuh uhuru ukobu unkur unnun unnur unoor unorn unruh unrun unurn urkun urnok uroob urour urubu uuork uuuuu

bbbbbb bhookh bo-hoo bobrok bobrun bohunk bokoro bonbon bonnor bonobo booboo boohoo borbon borbor borkou bornon boroko bororo boubou boukou bounou bourou brokkr bronko bronno brubru bruron buborn bububu bukkur bukuru burbur burhou burnou burnuk buruku h-hour hobnob hohoho honnor honor- honour hoohoo hookor hoonko hooroo horonu hororo horror hubbub huboon hububb huh-uh hukkok hunnur hurroo khokon khonuu khoroo khoruk khuhro koboko kohnur kohoku kokkoh kokoku kokoon kokoro kokoun kokubo konnor konnur kookoo koonur korkor kororo korubo korunk koruru koubou koukou kouoro kourou kronor kronur kuknur kunkur kunnur kurkun kuroko kurukh kururu nkonko nkoroo noboru nobuko nokhur non-no nonkon nonono nonoon noonoo noonor nounou nuh-uh nukkuu nukunu o-hook o-knon obokun ohnono ohohoh onbook onhuno oohooh ookroo oooooo orkhon orokon orrho- orrour ouroun rokkor rokuko rokuro ronnon ronron rounou rubbon rubro- ruhroh run-on uh-huh unbook unborn unburn unh-uh unhook unhunh urhobo

bbbbbbb bohorok bok-bok bokonon bon-bon boo-boo boo-hoo boobook bornuur boronuk bounouh bourbon bourrou brokour bukhoor bukhoro bunroku hob-nob honnour hoo-hoo horrour hub-bub hur-bur khonnor khoronk khubkuh kobroor kokonor kokorou kokubun kor-kor korborn korkoro kunukku kuokunu nonbook nonburn norrbro nukuoro nurkhon on-hook oroboro oronoko rbubnon rubbour ruh-roh runbook ububboo unh-unh

bbbbbbbb bo-bo-bo bonobono bookboon broubrou bunkobon buruburu hobornob hokohoko hornbook horohoro hubbuboo hurr-bur kobukuro kohukohu kokborok kukukuku kukuruku kuruburu kurukuru nokonoko nonboron nononono noonhour norbrook nukunonu ohboohoo orkounou oronooko oroonoko rokkurro ubbubboo uh-uh-uh unhonour

borborbor honk-honk horn-book hornbrook hurr-burr koukourou kukkunoor nonhorror ouroubono rohrbrunn runrunrun

bonnbonbon bonobonono bournbrook kouroukoro kukkurukuu

bonbonbooboo honkhonkhonk ooohooohoooh

bbbbbbbbbbbbbbb

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