bbbee be-er beber bebic becic beciu becue beebe beeri begee begge begic begue begur beibi beice beier beige beire berbe bercu berec bereg berei berge bergi berie berig beriu berre berri berru beuer beure bibbe biber bibic bibie bibri bicer biebe biere bieri big-i bigge bigig birgi birgu birie birur biure brebu brece breer breg- brege bregg brere breu- bribe brice briec brieg brier brige brigg brigi brrrr bruce bruer bruge brugg bruiu bruri bubbe buber bucci bucic bucie bucur buger bugge bugre buici buire burcu burge burgi burgu buric burie burri burru buruc ccccc cccii cciii cebec ceber ceci- cecie cecri ceere cegge cegui cerbu cerc- cerce cerci cerec cerer cerge ceric cerie cerre ciber cibir cicer ciceu circe cirge ciric cirie cirr- cirri crebe crece creer cregg creu- creue cribb cribe crice crier cruce crure cubbe cubeb cuber cubi- cubic cubie cubub cucei cucui cugir cuire curbi curce curer curic curie curig curre curri curug ebber ebbie eberg ebibe ebure eeeee eerie egger eggie eggig eiger eirie erbbe erber erceg erege erere ericb erice erier eriic eubie eucre euric eurre gberg gberu gciii geber gebre gebur geere gegge gegic geier geige geire geiue gerbe gerbi gerce gerre gerri gibbe gibbi giber gibi- giger gigge gigue girei giric girru grbic grcic grebe grece greci grecu greer grege gregg greig grgic grgur grice grieg grier grigg grrrr grubb grube gruiu grure gubbe gubbi gubei guber gubru gucci guce gucer guere guggi gugir guige guire guiri gurge gurgi gurre gurur ibbur iberg icbrr iceci icici icier icube iecee ieiri ierei iggri igigi iiiee iiiii ircii irece iregi irreg iurie rcirc rebbe rebec rebeg reber recce recue recur reece reege reere regec reger regge regie regii regur reice reigi rere- reree reric rerig rerir reuer reuir ribbi ribce riber ribie ricci ricer riceu rig-i ririe riuer rubbi rubee ruber rubie rucci rucer ruegg ruere ruger rugge rugii rugir ruiru rurec ruric u-cee uber- ubirr uggie ugric ugrug uigur urbic ureic urger uribe uric- urric urubu uruce urucu ururi uuuuu