bbbee be-er be-ro beber bebop beebe beepi beeri beibi beier beire beoir bepop beppe beppo berbe berei berie berio berob beroe beror berre berri bibbe bibbo biber bibie bibio bibri biebe biere bieri biore bipib birie bo-bo bobbi bobr bobre bobri boero boibe boier boire boiro booer boore borbo boree borer borio boro- boroo borre borro breer breo- brere bribe brier brobo broer brrrr e-pro ebber ebbie ebibe ebrio eeeee eepee eerie eieio eipri eirie eorre eppie erbbe erber erere erier erio- eroor erore error i-beo ibero ibibo ibore ieiri iepe ieper ierei ieroe iiiee iiiii ioooi ioooo iorio ippee ippei irepo irobo irori irrep o-r-b obeie oboro obreb oeiro oeppo oo-er ooioo ooooo oorie opepe opere opier opio- opir opobo opper oppie orebi oreo- oreoi orere orero oribe oribi orobe orobo oroer oropi p-rep pebi- pebie pebre peebo peere peeri peire pepee pepoi peppe peppi perer peri- perie perio perre perri perro pibor piere pieri piero piibe piiri piper pippi pippo pipri pirie pirre pirri pirro po-po pobe poeir poire pooer poope poopo poore poori poper popoi popop poppe poppi poppo poreb porer poro- poroi porri porro preie preop prier priob prior probe probo proer proor prop- prope propp propr prore rebbe reber rebop reepe reere repop repor reppe repro rere- reree rerip rerir rerob ribbi riber ribie ribo- riper ripio rippe ririe ro-ro robbe robbi robbo rober robie robo- robop robor roero rooer roope roore roper roppe rorer rprop rripe