-ana aaaa aaab aaal aaan aaar aaba aabb aabl aabt aala aall aana aara aart aata aatt abaa abab abal aban abar abat abb- abba abbb abbr abbt abla abra abta alaa alal alan alar alat alb- alba all- alla alll alln allr alna alta altn ana- anaa anab anal anan anar anat anba anbb anbl anla anln anna annb annt ant- anta antl antr antt arab aral aran arar arat arba arla arna arnt arr- arra arrr arrt arta artr at-l at-t ataa atab atal atan atar atat atla atna atra atrn atta attn attr baaa baal baan baar baat baba babb babr bala ball balt bana bann banr bant bar- bara barb barn barr bart bata batn batt bbbb bblb blaa blab blan blat blbt bnrr bnta brab bran brat brna brrr btaa btan btla btrt bttb laaa laal laan laar laat laba labr lala lall lan- lana lann lant lara larb larn larr lart lata latn latt lbar lblr lbrt llan llat llll lral lrat lrba lrrr lrta ltbl ltnt ltra lttr naaa naab naal naan naar naat naba nabl nala nall nalt nan- nana nanb nann nant nara narn narr nart nata natl natt nbaa nbar nlab nlat nlra nlrb nnnn nntn nrab nrlb nrna nrrl nrta nrtl ntla ntrl nttr raab raan raat raba rabb rabl rala ralb rall ralt rana rann rant rara rarb rata ratt rbbb rbbr rlab rnal rnbr rnnt rrat rrna rrrr rtan rtlt taa- taal taan taar taat taba tabb tabl tala tall tana tann tant tara tarb tarn tarr tart tata tatb tatr tatt tbar tbrb tbta tnla traa trab tral tran trat trna trra trtr ttab ttbb tttt