bbbee be-er be-ro beber bebop beebe beffe befoe befor beher behof beofe beoff bepop beppe beppo berbe bereh berhe berob beroe beror berre bheer bhope bhore bo-bo bo-ho bobr bobre boero boffo bohor booer boore borbo boree borer boro- boroo borre borro breef breer breo- brere brobo broer brrrr e-pro ebber eeeee eepee efere effer efore eofor eorre epher ephor erbbe erber erere eroor erore error febre feeor feere fefor feher feoff ferr- ferre ferro foore fore- foreh foreo forro freeh freep freer frere frobe froop frore h-e-b he-he he-ro hebbe hebe- heber heepe heere hefer heffe heore heper hepro heroe herpf herre herro hhhhh ho-ho ho-oh hoboe hobor hobro hofer hohoe hooer hoope hoore hopeh hoper hoppe hoppo horeb horhe horre horro hrere hrrep o-fer o-r-b obhor oboro obreb oeppo offer offof offre ofher ofpop oh-oh ohfoo ohrob oo-er ooher ooooh ooooo opepe opere ophep opobo opoho opper oreo- orere orero orfeh orfeo orfoe orfor orobe orobo oroer orphe p-rep pebre peebo peere pepee peppe perer perho perre perro pforp phebe pheer pheo- phere phob- phobe phofo phore phpbb phrop po-po pobe poher pooer poope poopo poore poper popop poppe poppo poreb porer poro- porro preef preff preop probe probo proer profe proff proof proor prop- prope propp propr prore rebbe reber rebop reefe reepe reere reerh refer reffe reffo reher rehoe repop repor reppe repro rere- reree rerob rheo- rhoeo ro-ro robbe robbo rober robo- robop robor roero roffe rofor rohff rohob rooer roofe roope roore roper roppe rorer rperf rprop