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bbbb bboy bbyo bobb bobo bobu boby boff bofu boob boof boor bor- borf boro borr boru bory bouf bour bouy boyf boyo brfu brob broo bror brou brrr bry- bryo bubb bubo bubu buff bufo bufr buoy bur- burb buro burr buru bury buyo buyu byob ffff ffrr fofo foof for- forb foro forr four frob frou frub fubb fubu fuff fufu fuor fur- furo furr fury fuyu fyry obbo obby obor oboy obro off- offo offr offu offy ofor ooby ooff oofy oooo oory orbb orbo orbu orby orff orfu oro- orof oror oroy orro orry orub ouff our- ouro ouu- ouyr oyou rbbb rbbr rob- robb robo robu roby roff rofo roob roof roor roro roru rory roub rouf rouy rrrr rubb rubu ruby ruff rufo ruoy ruro ruru ryff ryob ryyf ubbo uofo uor- urff uro- uroo urry urur uuuu ybor ybry yobo yoff yoof yoro yory youb youf your yoyo yrof yubu yuff yufu yury yuyu yyff yyyy

b-boy bbuoy bo-bo bobby bobr bobry boffo booby boofy booru booyo borbo boro- boroo borou borro brobo broby brouy brrrr bruff bryo- bubby bubry buffo buffy buroo burro burru burry buyou by-by byobu byyou fobby foofy forby forro forur fourb fouro frory froyo fu-fu fubby fuffy furbo furby furo- furor furry furyo o-r-b oboro obory offby offof offoy ofour ofyou ooooo orfor orobo oruro oryou ouoro oyoor oyrur ro-ro robbo robby robo- robor roboy robur rofor roofy rorbu rubby rubof rubor ruffo ruffy rufo- ryobu u-roy ubobo ufofu uforb uoyro uroob urour urubu uryu uryuu uuuuu y-o-u yo-yo yobbo yobro yooff yorro youff yuory

bbbbbb booboo borbor bororo borrby boubou bouffy bourou brubru bububu burbur buyoff foboff foofoo foofur forbuy forfry foryou foufou fourof fourou frbroo froofy furfur furour furrfu furuby obruby oooooo ororry orrour orrouy robroy rouffy ruboff rubro- ryuo youbou yoyoyo

bbbbbbb boo-boo bourrou boyoboy brobury foo-foo forbury fou-fou furrour off-off oroboro royyuru rub-off rubbour ububboo yor-yor

bbbbbbbb bo-bo-bo bobbyorr bouboury broubrou buruburu fourbour froufrou ubbubboo

borborbor four-four frou-frou youyouyou

fourbyfour yoyoyoyoyo

four-by-four

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