-aaa- aaata aabaa aabba aabra aarau abaab ababa ababu abara abaru abbar abbat abbot abbou abbur aboab aboat abobo aboot abora abort abott about abrar abtaa abtao abtar abura aburr abuta abutt aort- aorta ar-ab araat arab- araba arabo arara araru arata arbab arbar arbat arbor arbot aroab aroar aroba aroor aroot arora arout arrau arrou arrua artar artat arto- artoo artot artou artur aruaa aruba arura aruru aruta atabu atara ataru atbar atbat atoot atora atoto atour atout atrab atro- atroa atrot attar atto- attra attur atura aurar aurat auro- auroa auror aurra auto- autor baart baata babar babau baboo babot babou babra babur babut baoro baraa barab barao barar barat barba barbu baro- baroa baroo baror barot barra barro barru barta barto barua barut batab batar batat batau batob batoo bator batou batra batta batto battu batuo batur baubo baura bauru bauta bbart bo-bo boaro boart bobar bobr booat booba boora boort booru boota borat borau borba borbo boro- boroa boroo borot borou borra borro borut botar botou botro botta bottu bouar bouat bouba boura bouto braat bratt bratu braut brobo brora broto brout brrar brrrr bruta btr-t bubba buota buraa burao burat buroo burra burro burru burta burtt burut butat buto- butoa butor butot butou butua butuo butut o-r-b oaror obaba obara obata obora oboro obout obrab obrat ooooo oraba orara orato orbot orobo oroua orout ortoo oruro orutu otara otaru otoba ototo otour otrar ottar ottur otura ouara oubut ouoro ourba ourta outat outro outta outto ra-ra raaba raaor rabab rabat rabba rabor rabot rabou rabta rabut ratau ratba ratot ratra ratta ratto rattu ratua rauta rboat ro-ro robab robar robat robbo robo- robor robot robrt robur rooba roota rorbu rorra rota- rotar roto- rotoa rotor rotot rotta rotto rouba roubt roura routa routt rubab rubat rubba rubor rubra rutab rutar ruutu t-ara t-bar ta-ra ta-ta ta-tu taabo taart tabar tabat tabo- taboo tabor tabot tabou tabra tabua tabur tabut taoru tarar tarat tarob taroo tarot tarra tarro tarta tartt tartu tarur tataa tatao tatar tatau tatoo tator tatou tatra tatta tatto tattu taur- taura tauro taut- tauto tbtbt tbutt toaru tobar tobat tobor tobot tobou toora torab torat torba toroa torob torro torta torto tortu toto- totoo totra totta touba toura touro touta traba trabu traor trata trato tratt traub troat trota trott trout truba trubu truro ttttt tuart tubao tubar tubba tubo- tubou tuoba tuotu turat turau turba turbo turbt turoa turot turro turtu turua turut tutor tutta tutto tuuru uaroo ubata uboat ubobo ubtao uraba urata urbar uroob urota urour urrao urubu urutu utara utota utro- utror uttar uttur uturu ututo uuuuu