bbbee be-er be-ro beber bebog becco beebe begee begge begob begor berbe berec bereg berge berob beroe beror berre bo-bo boboc bobr bobre bocce bocor boece boege boero boger bogge bogoe bogor booce booco booer boore borbo borce borec boree borer borge borgo boro- boroo borre borro brece breer breg- brege bregg breo- breoc brere brobo broce broer brrrr c-cor ccccc cebec ceber cebgo ceco- ceere cegge ceoce ceoor cerc- cerce cerco cerec cerer cerge cero- ceroc cerre cerro co-bo co-co cobbe cobre cocc- cocce cocco coceo cooee cooer coore coorg corbe corbo corce core- coree corer corge coro- corre crebe crece creer cregg creo- croce croco crooe crore ebber eberg eeeee egger eorre erbbe erber erceg erege erere ergo- eroge eroor erore error gberg geber gebre gecco geebo geere gegge georg gerbe gerbo gerce gerre go-go go-oo gobbe gobbo gobeo gocco gocoo gogro goobo googe goore gorbe gorce goree gorer gorge gorgo gorre grebe grebo grece greco greer grege gregg grego groce groge grogg grrrr o-r-b oberg oboro obreb ocoee ocr-b ocree oeco- ogogo oo-er oocre ooooo orbec oreco oreo- orere orero orobe orobo oroco oroer orrgo r-co- rebbe rebec rebeg reber recce recco recog reece reege reere regec reger regge reggo reorg rere- reree rerob ro-ro robbe robbo robec rober robo- robor rocco rocor roero roger rogge rooer rooge roore rorer