-ana aaaa aaab aaam aaan aaar aaba aabb aabm aabt aama aamb aamn aamr aana aara aarm aart aata aatt abaa abab abam aban abar abat abb- abba abbb abbr abbt abma abmb abmt abra abta amaa amam aman amar amat amb- amba ambn ambr amm- amma amnt amra amta ana- anaa anab anam anan anar anat anba anbb anma anna annb annt ant- anta antm antr antt arab aram aran arar arat arba arma armm armt arna arnt arr- arra arrr arrt arta artr at-t ataa atab atan atar atat atm- atma atna atra atrm atrn atta attn attr baaa baam baan baar baat baba babb babm babr bama bamb bamm bamn bana bann banr bant bar- bara barb barm barn barr bart bata batn batt bbbb bmaa bman bnrr bnta bntm brab bram bran brat brna brrm brrr btaa btan btrt bttb maaa maam maan maar maat maba mama man- mana mann mant mar- mara marm marr mart mata matr matt mbam mbba mbna mbta mmaa mmab mman mmar mmmm mnaa mnam mnba mnbb mnra mntb mntn mrbb mrbm mrna mrta mrtm mrtn mrtt mtaa mtab mtna mtnt mtrr mttr naaa naab naam naan naar naat naba nama namb namm namt nan- nana nanb nann nant nara narm narn narr nart nata natm natt nbaa nbar nman nmnt nmra nmtb nnmt nnnn nntn nrab nram nrma nrna nrta nttm nttr raab raam raan raat raba rabb rama ramb ramm rana rann rant rara rarb rata ratt rbbb rbbr rman rnbr rnnt rrat rrna rrrr rtan taa- taan taar taat taba tabb tama tamm tana tann tant tara tarb tarm tarn tarr tart tata tatb tatr tatt tbar tbrb tbta tmaa tman tmbr tmnt tmtt traa trab tram tran trat trma trmb trna trra trtr ttab ttbb ttma tttt