-aaa- aaata aabaa aabba abaab ababa ababu abbat abbot abbou aboab aboat abobo aboot abott about abtaa abtao abuta abutt atabu atbat atoot atoto atout atto- auto- baata babau baboo babot babou babut batab batat batau batob batoo batou batta batto battu batuo baubo bauta bo-bo booat booba boota botou botta bottu bouat bouba bouto bubba buota butat buto- butoa butot butou butua butuo butut obaba obata obout ooooo otoba ototo oubut outat outta outto ta-ta ta-tu taabo tabat tabo- taboo tabot tabou tabua tabut tataa tatao tatau tatoo tatou tatta tatto tattu taut- tauto tbtbt tbutt tobat tobot tobou toto- totoo totta touba touta ttttt tubao tubba tubo- tubou tuoba tuotu tutta tutto ubata uboat ubobo ubtao utota ututo uuuuu