-aaa- aaaah aaaee aabaa aabba aabra aahaa aarah aarau aaroh abaab ababa ababe ababu abaer abara abare abaru abbar abbou abbur abear abeau abeba abebe abeer abera abere aberr abhar abhor aboab abobo aboha abora abore aboue abrar abreu abura aburr aeaea aebbe aereo aero- aeroe aerru ahare ahere ahero ahhaa ahhha ahoah ahora ahore ahrab ahrar ahura ahuru aoure ar-ab arab- araba arabe arabo araea arara arare araru arbab arbar arbee arber arbor arbre areae arear areha areo- arere arero arhar aroab aroar aroba arobe aroer aroha aroor arora arore arrah arrau arrea arreh arrha arroe arrou arrua aruaa aruba arura aruru auber aurae aurar aurea auro- auroa auror aurra baabe babar babau babee baber baboo babou babra babur baehr bahar bahau bahor bahra bahre bahua bahur baobh baoro baraa barab barao barar barba barbe barbu barea bareh bareo barer barha baro- baroa baroo baror barra barre barro barru barua baubo bauer baura baure bauru bbbee bbear be-er be-ro beara beare bebar beber bebra beebe behar behea beher behra behue beour berar berau berba berbe berea bereh berhe berob beroe beror berra berre berru beuer beure bhara bhaur bheer bhera bhora bhore bhour bo-bo bo-ho boaro bobar bobea bobr bobre boero boeur bohae bohea bohor bohra booba booer boora boore booru borah borau borba borbo borea boree borer boro- boroa boroo borou borra borre borro bouar bouba bouee bouer boura boure brahe breba brebu breer breo- brera brere breu- brobo broer broha brora broue brrar brrrr bruer bubba bubbe buber buoho buraa burah burao burea bureh buroo burra burro burru earar earou ebara ebber eboue ebure eeeee ehara eorre erbaa erbar erbbe erber erear erere erhua eroor erora erore error eubro euro- euroa eurre h-bar h-e-b ha-ha habab habba habbo haber habra habro habru haher hahha harab harae harar harau harbo hareb hareh haroa harra harre harro harua harue haruo harur haube hauer hauho he-he he-ro heaer heara hearb heare hearo hebbe hebe- heber hebra heera heere hehoa heore herba herea heroa heroe herra herre herro herur heuer heure hhhhh hhour ho-ho ho-oh hoare hobab hobah hobba hoboe hobor hobro hobub hohoe hooah hooer hooha hoora hoore horae horah horea horeb horhe horra horre horro horru houre hrabe hrere hruba huara hubba hubbe huber hubur huere huhuh huraa hurab hurao hurbe hureh hurra hurre huuru o-r-b oarer oaror obaba obara obeah obhor obora oboro oboue obrab obreb oh-oh ohaba ohara ohare oharu ohoba ohour ohrob ohura oo-er ooher ooooh ooooo oorah oraba oraea orara orare orbea orear oreo- orera orere orero orobe orobo oroer oroha oroua orube oruro ouara ouera ouoro ourba oure- ourea ra-ra raaba raabe raahe raaor rabab rabah rabba rabbe rabeh rabha rabor rabou rahab raheb rarae rareb raree rarer rear- reaue rebab rebar rebbe reber rebra reere reerh rehab rehar rehau reher rehoe rehua rehue rere- reree rerob reuar reuer rharb rheae rheo- rhoeo ro-ro roabe roaue robab robar robbe robbo rober robo- robor robur roera roero rohob rohru rooah rooba rooer roore rooue rorbu rorer rorra rouba rouer rouhe roura roure rrhea ruaha rubab rubba rubee ruber rubor rubra ruere ruhab ruhub uaroo uber- ubobo uh-ee uh-oh uh-uh uhhoh uhhuh uhura uhuru uouee uraba urare urbar urea- ureae ureo- urera uroob urour urrao urrea urubu uuuuu