b-u bbb bbh bbk bbo bbr bbu bhb bhh bhk bho bhr bhu bkb bkk bko bkr bob boh bok boo bor bou brb brh brk bro brr bru bub buh buk buo bur buu hbb hbh hbk hbo hbr hbu hhb hhh hhk hho hhr hhu hkb hkh hkk hko hkr hku hob hoh hok hoo hor hou hr- hrb hrh hrk hro hrr hru hub huh huk huo hur huu kbb kbh kbk kbo kbr kbu khh khk kho khr khu kkb kkh kkk kkr kku kob koh kok koo kor kou krk kro krr kru kub kuh kuk kur kuu ob- obb obh obk obo obr obu ohh oho ohr ohu okb okk oko okr oku oo- oob ooh ook ooo oor or- orb orh ork oro orr oru ou- ouh ouk ouo our rbb rbh rbk rbo rbr rbu rh- rhb rhh rho rhr rhu rkb rkk rko rku rob roh rok roo ror rou rrb rrh rrk rrr rru rub ruh ruk ruo rur ruu ubb ubh ubk ubo ubr ubu uhb uhh uho uhr uhu ukb ukk ukr uku uob uok uoo uor ur- urb urk uro urr uru uur uuu

-hou bbbb bhor bhur bhuu bobb bobo bobu boho bohr bohu boko boku boob booh book boor bor- borh bork boro borr boru bouh bouk bour brkb brob broh brok broo bror brou brrr bruh bubb bubo bubu buho buhr bukh bukk buko buku bur- burb burh burk buro burr buru hhhh hkbu hobo hoho hoko hoku hook hoor hork horo horr houk hour hrob hubb hubo huhu huor hurk huro hurr huru huub kbbb kbbk kbbo kbbr kbbu kbhb kbhh kbhr kbkb kbkk kbko kbkr kbob kbok kboo kbrb kbrh kbrk kbro kbru kbub kbuk kbur kbuu khbr khhk khho khkk khkr khob khok khor khou khrk khro khrr khub khuk khur kkbb kkbo kkbr kkhb kkhh kkhk kkhr kkkk kkob kkoh kkoo kkor kkrb kkrh kkrk kkro kkrr kkuu kobb kobk kobo kobr kobu kohh koho kohr kohu kokb kokh kokk koko kokr koku koob kook kooo koor koou korb kork koro korr koru koub kour kouu krbb krbk krbr krkh krkk krko krkr krku krob kroh krok kroo kror krrb krrk krro krrr kruh kruk krur kubb kubo kubr kubu kuhu kukh kukk kuku kuok kuoo kurb kurk kuro kurr kuru kuub kuuk kuur kuuu obbo obkb obok obor obrh obro obuh ohho ohob ohoh ohok okko okok okor okro okur ooho ooku oooh oooo orbb orbo orbu orko oro- orok oror orro orub our- ouro ouu- rbbb rbbr rboh rhob rhoh rob- robb robo robu rohr rohu rokh rokk roko rokr roku roob rook roor rork roro roru roub rouh rouk rrrr rubb rubu ruhh ruhr rukh rukk ruku ruok ruro ruru ubbo uhoh uhok uhuh ukko ukok ukur uor- urho uro- urok uroo urrh uruk urur uuuu

b-r-k bbook bhook bhour bo-bo bo-ho bobko bobok bobr bohok bohor bokko bokok bokor booko booru borbo borko borku boro- borok boroo borou borro bouko brobo brook brouk brrrr bukk- bukor buoho buroo burro burru buruk hhhhh hhour ho-ho ho-oh hobor hobro hobub hokku horro horru hubur huhuh hukok huork hurko hurok huuru k-rob khoku khoro khour khuru khuur ko-ko kobru kobuk kokko kokor kokou kokur kooru korbo korku koror korro koruk kubok kukko kukok kukur kurbu kurku kuruk o-r-b obhor oboro obrok oh-oh oh-ok ohour ohrob okkur okobo okoho okoro okubo okuku okuru ooooh ooooo orobo oruku oruro ouoro ro-ro robbo robo- robor robur rohob rohru rokkk rookh rorbu rouko rubor ruhub ubobo uh-oh uh-uh uhhoh uhhuh uhuru ukobu uroob urour urubu uuork uuuuu

bbbbbb bhookh bo-hoo bobrok bokoro booboo boohoo borbor borkou boroko bororo boubou boukou bourou brokkr brubru bububu bukkur bukuru burbur burhou buruku h-hour hohoho hoohoo hookor hooroo hororo horror hubbub hububb huh-uh hukkok hurroo khoroo khoruk khuhro koboko kohoku kokkoh kokoku kokoro kokubo kookoo korkor kororo korubo koruru koubou koukou kouoro kourou kuroko kurukh kururu o-hook ohohoh oohooh ookroo oooooo orrho- orrour rokkor rokuko rokuro rubro- ruhroh uh-huh urhobo

bbbbbbb bohorok bok-bok boo-boo boo-hoo boobook bourrou brokour bukhoor hoo-hoo horrour hub-bub hur-bur khubkuh kobroor kokorou kor-kor korkoro oroboro rubbour ruh-roh ububboo

bbbbbbbb bo-bo-bo broubrou buruburu hokohoko horohoro hubbuboo hurr-bur kobukuro kohukohu kokborok kukukuku kukuruku kuruburu kurukuru ohboohoo rokkurro ubbubboo uh-uh-uh

borborbor hurr-burr koukourou

kouroukoro kukkurukuu

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