bbbee be-er be-ro beber bebog bebop beebe begee begge begob begor bepop beppe beppo berbe bereg berge berob beroe beror berre bo-bo bobr bobre boege boero boger bogge bogoe bogor booer boore borbo boree borer borge borgo boro- boroo borre borro breer breg- brege bregg breo- brere brobo broer brrrr e-pro ebber eberg eeeee eepee egger eorre erbbe erber erege erere ergo- eroge eroor erore error gberg gbpee geber gebre geebo geere gegge geoop georg geppo gerbe gerbo gerre go-go go-oo go-op gobbe gobbo gobeo gogro goobo googe goore goper goppe gopro gorbe goree gorer gorge gorgo gorre grebe grebo greer grege gregg grego grepe grepo groge grogg groop grope gropp grrrr o-r-b oberg oboro obreb oeppo ogogo oo-er ooooo opepe opere opobo opper oreo- orere orero orobe orobo oroer orrgo p-rep pebre peebo peege peere pepee peppe perer perge pergo perre perro pgrep po-po pobe pogge pooer poope poopo poore poper popop poppe poppo poreb porer porge porgo poro- porog porro prego preop prepg probe probo proer progg proor prop- prope propp propr prore rebbe rebeg reber rebop reege reepe reere reger regge reggo reorg repeg repop repor reppe repro rere- reree rerob ro-ro robbe robbo rober robo- robop robor roero roger rogge rooer rooge roope roore roper roppe rorer rprop