bbbee be-er beber bebic becic beebe beeri begee begge begic beibi beice beier beige beire berbe berec bereg berei berge bergi berie berig berre berri bibbe biber bibic bibie bibri bicer biebe biere bieri big-i bigge bigig birgi birie brece breer breg- brege bregg brere bribe brice briec brieg brier brige brigg brigi brrrr ccccc cccii cciii cebec ceber ceci- cecie cecri ceere cegge cerc- cerce cerci cerec cerer cerge ceric cerie cerre ciber cibir cicer circe cirge ciric cirie cirr- cirri crebe crece creer cregg cribb cribe crice crier ebber ebbie eberg ebibe eeeee eerie egger eggie eggig eiger eirie erbbe erber erceg erege erere ericb erice erier eriic gberg gciii geber gebre geere gegge gegic geier geige geire gerbe gerbi gerce gerre gerri gibbe gibbi giber gibi- giger gigge girei giric grbic grcic grebe grece greci greer grege gregg greig grgic grice grieg grier grigg grrrr iberg icbrr iceci icici icier iecee ieiri ierei iggri igigi iiiee iiiii ircii irece iregi irreg rcirc rebbe rebec rebeg reber recce reece reege reere regec reger regge regie regii reice reigi rere- reree reric rerig rerir ribbi ribce riber ribie ricci ricer rig-i ririe