-ana a-ak aaaa aaab aaad aaan aaba aabb aabd aabt aada aadt aaka aana aand aata aatk aatt abaa abab abad abak aban abat abb- abba abbb abbt abda abta adaa adab adad adak adan adat adba adda addd addn adna adta akaa akan akdn akka akna ana- anaa anab anad anak anan anat anba anbb and- anda andt ank- anka anna annb annt ant- anta antt at-t ataa atab atad atak atan atat atdt atka atkt atna atta attn baaa baad baak baan baat baba babb bada badb badd bak- baka bakt bana band bank bann bant bata batn batt bbad bbbb bbdd bdna bnta btaa btan btdt bttb d-na daab daad daan daba dabb dabt dada daka dana dand dank dann dant data datt dbtt dddd dkba dnaa dnab dnad dnan dnat dntt dtaa dtna dtnb kaaa kaab kaak kaan kaat kaba kabb kabd kad- kada kadd kadt kaka kakk kakn kakt kana kanb kand kann kant kat- kata katb katd katk katn katt kbaa kbab kbad kbak kbat kbba kbbb kbbd kbbk kbbt kbdb kbdn kbkb kbkk kbna kbnd kbnn kbta kbtb kbtk kbtn kbtt kdaa kdab kdad kdak kdat kdbb kdbn kddb kddd kddk kdka kdkb kdkd kdkk kdkn kdkt kdna kdnd kdnk kdnn kdta kdtd kdtn kkaa kkan kkat kkba kkbb kkbd kkbn kkbt kkda kkdd kkdt kkkk kknb kknd kknn kknt kktk knaa knab knan knat knba knbb knbn knbt knda kndb kndd kndk kndn knkk knkt knnb knnd knnk kntk kntn ktaa ktak ktan ktat ktba ktbb ktbn ktbt ktdb ktdd ktdk ktkb ktkk ktkn ktkt ktna ktnd ktnk ktnn ktnt kttk kttn kttt naaa naab naad naan naat naba nabk nada nadk naka nan- nana nanb nand nann nant nata natt nbaa nbad nbak ndaa ndak nddb ndna ndnt nknt nndb nnnn nntn ntnd taa- taan taat taba tabb tada taka takk takt tana tand tank tann tant tata tatb tatt tbta tddb tdna tndd ttab ttbb tttt