-aaa- aaaah aabaa aabba aabra aahaa aarah aaroh abaab ababa abara abbar abhar abhor aboab abobo aboha abora abrar ahhaa ahhha ahoah ahora ahrab ahrar ar-ab arab- araba arabo arara arbab arbar arbor arhar aroab aroar aroba aroha aroor arora arrah arrha babar baboo babra bahar bahor bahra baobh baoro baraa barab barao barar barba barha baro- baroa baroo baror barra barro bhara bhora bo-bo bo-ho boaro bobar bobr bohor bohra booba boora borah borba borbo boro- boroa boroo borra borro brobo brora brrar brrrr h-bar ha-ha habab habba habbo habra habro hahha harab harar harbo haroa harra harro hhhhh ho-ho ho-oh hobab hobah hobba hobor hobro hooah hooha hoora horah horra horro o-r-b oaror obaba obara obhor obora oboro obrab oh-oh ohaba ohara ohoba ohrob ooooh ooooo oorah oraba orara orobo oroha ra-ra raaba raaor rabab rabah rabba rabha rabor rahab rharb ro-ro robab robar robbo robo- robor rohob rooah rooba rorra