bbbee bccup be-er be-ro beber bebop becco becue beebe beour bepop beppe beppo beppu berbe bercu berec berob beroe beror berow berre berru berwe beuer beure bewer bo-bo boboc bobr bobre bobup bocce bocor boece boero boeur booce booco booer boore booru boowe borbo borce borec boree borer boro- boroo borou borow borre borro borup borwe bouce bouee bouer boure bouwe bower bowow bowre brebu brece breer breo- breoc brere breu- brewe brobo broce broer broue browe brrrr bruce bruer bubbe buber bucco buceo bucur burcu buroo burow burro burru buruc burwe c-cor c-p-c c-pop c-uwb ccccc cebec ceber cebpb cebpe ceco- ceere ceoce ceoor ceppo cerbu cerc- cerce cerco cerec cerer cero- ceroc cerou cerre cerro co-bo co-co co-op cobbe cobre cobue cocc- cocce cocco coceo cocow cocur coepe coeur cooee cooer coope coore copce copec coper coppe coppo copr- copre copro copur corbe corbo corbu corce core- coree corer coreu coro- corop corpe corre couco couer coupe courb coure couru couwe coweb cowee cower cowpe cowre crebe crece creep creer creo- creop crepe crepu creu- creue creup crewe croce croco crooe croop cropc crope cropo crore croup crowe crowp cruce cruor crupe crure cubbe cubeb cuber cubo- cubub cuero cueup cuoco cuore cuper cupr- cupro curce curer curre curro curup e-pro ebber eboue ebure eccup ecorp eeeee eepee eorre eperc epure erbbe erber erere erewe eroor erore errew error eubro eucre euro- europ eurre o-r-b oboow oboro oboue obowo obreb obrow occur ocoee ocr-b ocree oeco- oeppo oo-er oocre ooooo oowee opepe opere opobo opper opuwo orbec orcop oreco oreo- orere orero orobe orobo oroco oroer orrow orube oruce oruro orwoe ouoro ource oure- ouwer owre- p-rep pebre pecco peebo peebu peece peere pepco pepee peppe pepup perce perec perer perou perre perro peruc perur peuce peure pewee pewpe pewre po-po pobe pocop pooer poope poopo poore popco poper popop popow poppe poppo popup porco porcu poreb porec porer poro- porro porur pouce pouer poupe poure pow-r powce powee power powow powpe powre prece preco preop prewe probe probo proer proor prop- prope propp propr prore pruce pubco puber pubo- puero puppe puppo purce puree purer puro- purow purre r-co- re-up rebbe rebec reber rebop recce recco recep recue recur reece reepe reere reewe reowe repco repec repew repop repor reppe repro reprw repub rere- reree rerob rerow reuer reuwe rewer ro-ro robbe robbo robec rober robo- robop robor robur rocco rocor rocou roero roewe rooer roope roore rooue roper roppe rorbu rorer rouer roure rouwe rowce rower rowwe rprop rubee ruber rubor rubup rucer ruere rupee ruper rurec ruwer u-cee u-pop uber- ubobo ucero ucweb uouee upbow upc-e upper ureo- urewe uroob urour urowo urubu uruce urucu urupe uuuuu wcoop webbe weber webpc webwe weepe weere weero weope weorc weore weowe weper werbe werce were- werew werpe werre werur woebe wooer woore woree worow worpe worre wowee wowow wrowe wwwww