-ana a-ak aaaa aaab aaan aaba aabb aabt aaka aana aata aatk aatt abaa abab abak aban abat abb- abba abbb abbt abta akaa akan akka akna ana- anaa anab anak anan anat anba anbb ank- anka anna annb annt ant- anta antt at-t ataa atab atak atan atat atka atkt atna atta attn baaa baak baan baat baba babb bak- baka bakt bana bank bann bant bata batn batt bbbb bnta btaa btan bttb kaaa kaab kaak kaan kaat kaba kabb kaka kakk kakn kakt kana kanb kann kant kat- kata katb katk katn katt kbaa kbab kbak kbat kbba kbbb kbbk kbbt kbkb kbkk kbna kbnn kbta kbtb kbtk kbtn kbtt kkaa kkan kkat kkba kkbb kkbn kkbt kkkk kknb kknn kknt kktk knaa knab knan knat knba knbb knbn knbt knkk knkt knnb knnk kntk kntn ktaa ktak ktan ktat ktba ktbb ktbn ktbt ktkb ktkk ktkn ktkt ktna ktnk ktnn ktnt kttk kttn kttt naaa naab naan naat naba nabk naka nan- nana nanb nann nant nata natt nbaa nbak nknt nnnn nntn taa- taan taat taba tabb taka takk takt tana tank tann tant tata tatb tatt tbta ttab ttbb tttt