-ana aaaa aaab aaad aaan aaba aabb aabd aabt aada aadt aana aand aang aata aatt abaa abab abad abag aban abat abb- abba abbb abbt abda abgd abta adaa adab adad adag adan adat adba adda addd addn adna adta agad agag agan agat agba agda agga agna agta ana- anaa anab anad anag anan anat anba anbb and- anda andt ang- anga anna annb annt ant- anta antt at-t ataa atab atad atan atat atdt atna atta attn baaa baad baan baat baba babb bada badb badd baga bagg bagn bagt bana band bang bann bant bata batn batt bbad bbbb bbdd bbga bbng bdna bgan bnta btaa btan btdt bttb d-na daab daad daag daan daba dabb dabt dada daga dagg dana dand dang dann dant data datt dbag dbtt dddd dnaa dnab dnad dnag dnan dnat dntt dtaa dtna dtnb dtng gaba gabb gabt gada gadd gaga gagg gana gand gang gann gant gata gatt gbag gban gddb gdna ggbt gggg gnaa gnat gtaa gtta naaa naab naad naag naan naat naba nada naga nan- nana nanb nand nang nann nant nata natt nbaa nbad ndaa nddb ndga ndna ndnt ngab ngan ngtn nndb nngn nnnn nntn ntnd taa- taag taan taat taba tabb tada tadg taga tagg tana tand tang tann tant tata tatb tatt tbta tddb tdna tnag tndd ttab ttbb tttt