bbbee be-er be-ro beber bebop becco beebe bepop beppe beppo berbe berec berob beroe beror berre bo-bo boboc bobr bobre bocce bocor boece boero booce booco booer boore borbo borce borec boree borer boro- boroo borre borro brece breer breo- breoc brere brobo broce broer brrrr c-cor c-p-c c-pop ccccc cebec ceber cebpb cebpe ceco- ceere ceoce ceoor ceppo cerc- cerce cerco cerec cerer cero- ceroc cerre cerro co-bo co-co co-op cobbe cobre cocc- cocce cocco coceo coepe cooee cooer coope coore copce copec coper coppe coppo copr- copre copro corbe corbo corce core- coree corer coro- corop corpe corre crebe crece creep creer creo- creop crepe croce croco crooe croop cropc crope cropo crore e-pro ebber ecorp eeeee eepee eorre eperc erbbe erber erere eroor erore error o-r-b oboro obreb ocoee ocr-b ocree oeco- oeppo oo-er oocre ooooo opepe opere opobo opper orbec orcop oreco oreo- orere orero orobe orobo oroco oroer p-rep pebre pecco peebo peece peere pepco pepee peppe perce perec perer perre perro po-po pobe pocop pooer poope poopo poore popco poper popop poppe poppo porco poreb porec porer poro- porro prece preco preop probe probo proer proor prop- prope propp propr prore r-co- rebbe rebec reber rebop recce recco recep reece reepe reere repco repec repop repor reppe repro rere- reree rerob ro-ro robbe robbo robec rober robo- robop robor rocco rocor roero rooer roope roore roper roppe rorer rprop