bbbee be-er be-ro beber bebic becco becic beebe beeri beibi beice beier beire beoci beoir berbe berec berei berie berio berob beroe beror berre berri bibbe bibbo biber bibic bibie bibio bibri bicer biebe biere bieri bioci bioco biore birie biroc bo-bo bobbi boboc bobr bobre bobri bocce bocci bocor boece boero boibe boice boier boire boiro booce booco booer boore borbo borce borci borec boree borer boric borio boro- boroo borre borro brece breer breo- breoc brere bribe brice brico briec brier brobo broce broer brrrr c-cor ccccc cccii cciii cebec ceber ceci- cecie ceco- cecri ceere ceibo ceoce ceoor cerc- cerce cerci cerco cerec cerer ceric cerie cerio cero- ceroc cerre cerro ciber cibir cicer circe circo ciric cirie cirio cirr- cirri cirro co-bo co-co cobbe cobie cobre cocc- cocce cocci cocco coceo cocio cocir coice coire coiro cooee cooer cooie coore corbe corbi corbo corce core- coree corer corie corio coro- coroi corre corri crebe crece creer creio creo- cribb cribe cribo crice crier crio- croce croci croco crooe crore ebber ebbie ebibe ebrio ecori eeeee eerie eieio eirie eorre erbbe erber erere ericb erice erier eriic erio- eroor erore error i-beo ibero ibibo ibore icbrr iceci icici icier iecee ieiri ierei ieroe iiiee iiiii ioooi ioooo iorio ircii irece irico irobo irori o-r-b obeie obice oboro obreb occii ocice ocoee ocr-b ocree ocrie oeco- oeiro oo-er oocre ooioo ooooo oorie orbec orbic orebi oreco oreo- oreoi orere orero oribe oribi orice orobe orobo oroco oroer r-co- rcirc rebbe rebec reber recce recco recio reece reere reice rere- reree reric rerir rerob ribbi ribce riber ribie ribo- ricci ricco ricer ririe ro-ro robbe robbi robbo robec rober robic robie robo- robor rocco rocio rocor roero rooer roore rorer roric