b-u bbb bbg bbh bbm bbo bbr bbu bgb bgg bgh bgm bgo bgr bgu bhb bhg bhh bhm bho bhr bhu bmb bmg bmh bmm bmo bmr bmu bob bog boh bom boo bor bou brb brg brh brm bro brr bru bub bug buh bum buo bur buu gbg gbh gbm gbo gbr gbu ggb ggg ggh ggm ggo ggr ggu ghb ghg ghh gho ghr gmb gmg gmh gmm gmo gmr gob gog goh gom goo gor gou grb grg grh grm gro grr gru gu- gub gug gum guo gur guu hbb hbg hbh hbm hbo hbr hbu hgb hgg hgh hgm hgo hgr hgu hhb hhg hhh hhm hho hhr hhu hmb hmg hmh hmm hmo hmr hmu hob hog hoh hom hoo hor hou hr- hrb hrg hrh hrm hro hrr hru hub hug huh hum huo hur huu m-o m-r mbb mbg mbh mbm mbo mbr mbu mgb mgh mgm mgo mgr mgu mhg mhh mhm mho mhr mhu mmb mmg mmh mmm mmo mmr mmu mob mog moh mom moo mor mou mrb mrg mrh mrm mro mrr mru mub mug muh mum mur muu ob- obb obg obh obm obo obr obu ogg ogh ogo ohg ohh ohm oho ohr ohu om- omb omg omh omm omo omr omu oo- oob oog ooh oom ooo oor or- orb org orh orm oro orr oru ou- ouh oum ouo our rbb rbg rbh rbm rbo rbr rbu rgb rgg rgh rgo rgr rh- rhb rhg rhh rhm rho rhr rhu rmb rmg rmh rmm rmo rmr rob rog roh rom roo ror rou rrb rrg rrh rrm rrr rru rub rug ruh rum ruo rur ruu ubb ubg ubh ubo ubr ubu ugb ugg ugh ugm ugo ugr ugu uhb uhh uhm uho uhr uhu um- umb umg umh umm umo umr umu uob uog uom uoo uor ur- urb urg urm uro urr uru uug uum uur uuu

-hou bbbb bbgm bbmg bbrg bhog bhor bhur bhuu bobb bobo bobu bogg bogh bogo bohm boho bohr bohu bomb bomu boob boog booh boom boor bor- borg borh borm boro borr boru bouh boum bour brob brog broh brom broo bror brou brrm brrr brug bruh brum bubb bubo bubu bugg bugh bugo buho buhr bum- bumb bur- burb burg burh burm buro burr buru gbbo gggg gghg ghug ghum gmhb gmmr gobo gogh gogo gohb gomb gomo gomu goog goom goor gorb gorg gorm goro gorr gou- goug goum gour grbr grob grog groh grom groo gror grou grrr grub grug grum grur gubb gubu gugb gugg gugh gugu guhr gumb gumm gumo gurb gurg gurh guro gurr guru hhgg hhhh hmhb hmmm hobo hogg hogh hogo hogu hohm hoho hom- homo homr homu hoom hoor horg horo horr hour hrob hubb hubo hugg hugh hugo huhu humh humm humo huor huro hurr huru huub mbou mgrm mhmm mhmr mhor mmhg mmhm mmmh mmmm mmor mobb mobo mogg mogo mogu mohm moho mohr mohu momo momu moob moog moor morb morg moro moru mour mrbb mrbm mubo mugg mugo mugu muhr muhu mumm mumo mumu murg muro murr muru obbo obor obrh obro obuh ogb ogog ogou ogro ogum ohgr ohho ohob ohoh ohum ombo ombu omo- omoo omor omro omuo ooho oooh oooo orbb orbo orbu orgo ormo oro- orom oror orro orub orum ough our- ouro ouu- rbbb rbbr rbgh rboh rhbg rhob rhog rhoh rhug rhum rmrg rob- robb robo robu rogg rogh rogo rohm rohr rohu romb romm romo roob roog room roor roro roru roub rouh roum rrrr rrum rubb rubu rugg rugh ruhh ruhm ruhr rumb rumm rumo ruro ruru ubbo uggo ugro ugur uguu uhoh uhuh umb- umbo umgo ummg ummo umor uomo uor- urgh urgu urho uro- urom uroo urrh urum urur uuuu

bhoom bhour bo-bo bo-ho bobr bogor bogu bogur bohor bombo bomoh boomb booru borbo borgh borgo borgu bormo boro- borom boroo borou borro borum bough bourg brmmm brobo brogh brohm brom- bromo broom brrrr brugg brugh brumm bugoo bumbo bumbu buoho burgh burgo burgu buroo burro burru ghoom ghour ghubb go-go go-oo gobbo gogro gohog gohor gohur gombo gomoh gomor gomur goobo goooh gorgo goruh gough grgur grogg gromo groom grrrr grubb grumo gubbo gubru gumbo gummb gummo guroo gurro gurum gurur hbogo hbomb hhhhh hhour ho-ho ho-oh hobor hobro hobub hohum homo- homog horom horro horru hough hu-go hubur huggo huhuh humbo humor humur hurm hurum huuru mbogo mboro mburu mhorr mmhmm mmmmm mobor mobro mohor mohrg mohur mombo mombu moogo mooro morbo mormo moror morou morro morum mough mrmom mrorr mugho mugur mumbo mummu murgh murgo murom muror murrh murro murru murum o-hum o-r-b obhor oboro obrom oghum oghur ogogo ogugu oh-oh ohmmm ohour ohrob ohrum omoro ooooh ooooo orbom ormur orobo oromo orrgo orrum oruro ouoro rhomb rhumb ro-ro robbo robo- robor robur rogho rohob rohru roomu rorbu rough roumm rubor rughh ruhub rumbo rummo rummu rumor ruomu ubobo ugro- ugrug uh-oh uh-uh uhhoh uhhuh uhuru umbro umhum umour uroob urour urubu uuuuu

b-room bbbbbb bo-hoo bogoro bombom bombur booboo boogum boohoo boom-o borbor borogo boromo bororo borugh boubou bougou bourgh bourou brohug bromo- broogh brough brubru bububu bugbug bumboo burbur burgoo burgor burgum burhou gobbur goboom gogoro googoo gooroo gorgor gourou grough grugru gubgub gurbru gurgum gurugu h-bomb h-hour ho-hum hogoro hohoho hoohoo hooroo horgr hororo horror hubbub hububb huh-uh humbug humhub humhum hummum humour huoguo hurroo hurumu mbombo mbomou mm-hmm mogoro mohoro mohuhu mommur moogoo moomoo mormor mormur morogo mourou muggur mugumu muguru muhugu muhuhu muhurr muhuru murmur muumuu obourg ohohoh ombro- oohooh oooooo oromoo orrho- orrour rhogog rhomb- robo-g robomb romour roogoo rubro- rubrum ruhroh rumbur rumohr rumour ubombo uh-huh um-hum urhobo urughu

bbbbbbb bohrbug bommuru boo-boo boo-hoo borough bourgou bourrou burough gom-gom gomogho goo-goo goooooo goroumo gorrogh goumbou goumogo gru-gru gum-gum gumboro h-r-m hohburg homburg hoo-hoo horrour hub-bub hur-bur mbogoro mgombom moo-moo morrum moumour mugguru muu-muu ogogoro orgburo oroboro oubombo r-h-m rhombo- rubbour