-ana aaaa aaab aaad aaan aaba aabb aabd aabt aada aadt aana aand aata aatt abaa abab abad aban abat abb- abba abbb abbt abda abta adaa adab adad adan adat adba adda addd addn adna adq- adta ana- anaa anab anad anan anat anba anbb and- anda andt anna annb annt ant- anta antt aqan aqda at-t ataa atab atad atan ataq atat atdt atna atta attn baaa baad baan baat baba babb bada badb badd bana band bann banq bant baqa baqt bata batn batt bbad bbbb bbbq bbdd bdna bnta btaa btan btdt bttb d-na daab daad daan daba dabb dabt dada dana dand dann dant data datt dbtt dddd dnaa dnab dnad dnan dnaq dnat dntt dqdb dtaa dtna dtnb naaa naab naad naan naat naba nabq nada nan- nana nanb nand nann nant naqa nata natt nbaa nbad ndaa nddb ndna ndnt nndb nnnn nntn ntnd qada qana qand qban qqqq qttn taa- taan taat taba tabb tada tana tand tann tant taqa tata tatb tatt tbta tddb tdna tndd ttab ttbb tttt