-ana aaaa aaab aaam aaan aaba aabb aabm aabt aama aamb aamn aana aata aatt abaa abab abam aban abat abb- abba abbb abbt abma abmb abmt abta amaa amam aman amat amb- amba ambn amm- amma amnt amta ana- anaa anab anam anan anat anba anbb anma anna annb annt ant- anta antm antt at-t ataa atab atan atat atm- atma atna atta attn baaa baam baan baat baba babb babm bama bamb bamm bamn bana bann bant bata batn batt bbbb bmaa bman bnta bntm btaa btan bttb maaa maam maan maat maba mama man- mana mann mant mata matt mbam mbba mbna mbta mmaa mmab mman mmmm mnaa mnam mnba mnbb mntb mntn mtaa mtab mtna mtnt naaa naab naam naan naat naba nama namb namm namt nan- nana nanb nann nant nata natm natt nbaa nman nmnt nmtb nnmt nnnn nntn nttm taa- taan taat taba tabb tama tamm tana tann tant tata tatb tatt tbta tmaa tman tmnt tmtt ttab ttbb ttma tttt