-ana a-wa aaaa aaab aaan aaar aaba aabb aabw aana aara aaww abaa abab aban abar abaw abb- abba abbb abbr abra abwa abwr ana- anaa anab anan anar anba anbb anna annb anwr arab aran arar araw arba arna arr- arra arrr arwa awan awar awwa baaa baan baar baba babb babr bana bann banr bar- bara barb barn barr baw- bawn bbbb bbwr bnrr brab bran braw brna brrr bwaa bwan naaa naab naan naar naba nan- nana nanb nann nara narn narr narw nawa nbaa nbar nnnn nrab nrna nwbn nwbw raab raan raba rabb rana rann rara rarb rawa rawn rawr raww rbbb rbbr rnaw rnbr rrna rrrr waaa waar waaw waba wabb wabn wabr wabw wan- wana wanb wann wanr war- wara warb warn warr warw wawa wawb wbaa wbab wban wbar wbbb wbbn wbbr wbbw wbna wbnb wbnr wbnw wbrb wbrn wbrr wbrw wbwb wbwn wnaa wnab wnaw wnba wnbb wnbn wnbr wnbw wnnr wnnw wnrn wnrr wnrw wnwn wnwr wnww wraa wrab wran wrar wraw wrba wrbb wrbn wrbw wrna wrnb wrnn wrnr wrnw wrra wrrb wrrn wrrw wrwa wrwb wrwn wrwr wwab wwba wwbb wwbn wwbr wwna wwnb wwnn wwnr wwnw wwra wwrb wwrr wwrw wwwa wwwn wwwr wwww