non-u nonno noonu norbu norok noron norro norun nu-nu nunon nunun nuoro nuruk nurun o-bon o-r-b oboro obrok ognon ogogo ogron ogugu okkur okobo okoro okrog okrug okubo okuku okuru ongon onoon onorn onour ooooo orgon orgun ornon orobo orono orrgo oruku oruro ouoro ourno ro-ro robbo robo- robon robor robun robur rogno rokkk rokon rongo rongu ronk- ronko ronno ronok roong rorbu rouko roung rubon rubor rungu runo- runon ubobo ugong ugro- ugrug ukobu ukong ukuug un-go ungok ungon ungur unkur unnun unnur unoor unorn unrug unrun unurn urgun urkun urnok uroob urour urubu uuork uuuuu

bbbbbb bobrok bobrun bognor bogong bogoro bokoro bonbon bongor bonnor bonobo bonogo booboo borbon borbor borkou bornon borogo boroko bororo boubou bougon bougou boukou bounou bourou brgnng brokkr bronko bronno brubru bruron bubong buborn bububu bugbug bugong buk-gu bukkur bukuru burbur burgon burgoo burgor burnou burnuk buruku g-book gobbon gobbur goboon goboun gobron gogoro gokkun gongbo gongbu gonogo googoo gooroo gorgon gorgor goroon gorron gourou groung grubno grugru gubbon gubgub gugong gungor gunong gunour gunung gurbru gurugu gurung kobogo koboko kobong kogoro kokoku kokong kokoon kokoro kokoun kokubo kongor kongur konnor konnur kookoo koonur korgon korgun korkor kornog korong kororo korubo korunk koruru koubou koukou kouoro kourou kronor kronur kubong kuknur kungur kunkur kunnur kurkun kurogo kuroko kurung kururu ngongo nkonko nkoroo noboru nobuko non-no nonkon nonono nonoon noonoo noonor nounou nukkuu nukunu o-knon o-kung obokun obongo obourg ogongo okongo onbook onogur ookroo oooooo orokon orongo orrour ouroun robo-g rognon rokkor rokuko rokuro rongbo ronggo ronnon ronron roogoo rougon rounou rubbon rubro- run-on ubongo ubungo unbook unborn unbung unburn ungogo unrung

bbbbbbb bogogno bok-bok bokonon bokungo bon-bon bongbon boo-boo boobook bornuur boronuk bougnon bougoun boungou bourbon bourgon bourgou bourrou brognon brokour bukungu bungoro bunroku burgoon goo-goo goooooo gru-gru guk-guk gungrog kobroor kokonor kokorou kokubun konongo koonung koorong kor-kor korborn korkoro koungou kourgou krubong kunukku kuokunu ngoubou ngukurr nonbook nonburn nongong nonongo norrbro nukuoro ogogoro orgburo orgonon oroboro oronogo oronoko rbubnon rongong rubbour rugburn runbook ububboo

bbbbbbbb bo-bo-bo bobonong bogogobo bongbong bonobono bookboon borbogou broubrou bunkobon bunurong buruburu go-no-go gogogogo gogounou gourongo groogroo grunburg kobukuro kokborok korongou kronborg kronburg kukukuku kukuruku kuruburu kurukuru ngunguru nokonoko nonboron nononono norbrook nukunonu nurburg onogboko orkounou oronooko oroonoko rokkurro ubbubboo

bborubong bogkurugu bogo-bogo bongonoko borborbor bourbourg gong-gong gongorgou groo-groo koubongou koukourou kukkunoor ouroubono runrunrun

bobobougou bonnbonbon bonobonono bournbrook bungo-ono konobougou kouroukoro kukkurukuu ngorongoro nogoonnuur rongorongo

bongo-bongo rongo-rongo

bonbonbooboo ouroungourou

bbbbbbbbbbbbbbb bongobongobongo gongongongongon grrrrrrrrrrrrrr