-aaa- aaata aabaa aabba aabra abaab ababa abara abava abbar abbat abrar abtaa abtar ar-ab araat arab- araba arara arata arava arbab arbar arbat artar artat arvar atara atbar atbat atrab attar attra atvr avara baart baata baava babar babra baraa barab barar barat barba barra barta barva batab batar batat batra batta bavar bavra bbart braat bratt brava brrar brrrr btr-t ra-ra raaba rabab rabat rabba rabta ratba ratra ratta ratva ravar ravat t-ara t-bar ta-ra ta-ta taart tabar tabat tabra tarar tarat tarra tarta tartt tarva tataa tatar tatra tatta tavar tbtbt traba trata tratt trava ttttt vaara varab varra varta varva vatav vatra vatta vatva vavar vavra vrata