-ana a-wa aaaa aaab aaan aaba aabb aabt aabw aana aata aatt aatw aawt aaww abaa abab aban abat abaw abb- abba abbb abbt abta abwa ana- anaa anab anan anat anba anbb anna annb annt ant- anta antt at-t ataa atab atan atat atna atta attn atwa atwt awan awwa baaa baan baat baba babb bana bann bant bata batn batt baw- bawn bbbb bnta bnwt btaa btan bttb btwn bwaa bwan naaa naab naan naat naba nan- nana nanb nann nant nata natt nawa nawt nbaa nnnn nntn ntwt nwbn nwbw taa- taan taat taba tabb tana tann tant tata tatb tatt tawa tawn tawt taww tbta ttab ttbb tttt twan twat twbt twnt waaa waat waaw waba wabb wabn wabt wabw wan- wana wanb wann want wata watb watn watt watw wawa wawb wawt wbaa wbab wban wbat wbbb wbbn wbbt wbbw wbna wbnb wbnw wbta wbtn wbtt wbtw wbwb wbwn wbwt wnaa wnab wnaw wnba wnbb wnbn wnbt wnbw wnnw wnta wntn wntt wntw wnwn wnwt wnww wtab wtan wtaw wtbb wtbn wtnn wtnt wtnw wtta wttb wttn wttt wttw wtwa wtwb wtwt wtww wwab wwba wwbb wwbn wwbt wwna wwnb wwnn wwnt wwnw wwta wwtn wwtw wwwa wwwn wwww