-ana aaaa aaab aaal aaan aaba aabb aabl aabt aala aall aana aata aatt abaa abab abal aban abat abb- abba abbb abbt abla abta alaa alal alan alat alb- alba all- alla alll alln alna alta altn ana- anaa anab anal anan anat anba anbb anbl anla anln anna annb annt ant- anta antl antt at-l at-t ataa atab atal atan atat atla atna atta attn baaa baal baan baat baba babb bala ball balt bana bann bant bata batn batt bbbb bblb blaa blab blan blat blbt bnta btaa btan btla bttb laaa laal laan laat laba lala lall lan- lana lann lant lata latn latt llan llat llll ltbl ltnt naaa naab naal naan naat naba nabl nala nall nalt nan- nana nanb nann nant nata natl natt nbaa nlab nlat nnnn nntn ntla taa- taal taan taat taba tabb tabl tala tall tana tann tant tata tatb tatt tbta tnla ttab ttbb tttt