-ana aaaa aaab aaad aaan aaar aaav aaba aabb aabd aada aana aand aara aard aava abaa abab abad aban abar abb- abba abbb abbr abda abra abva abvd adaa adab adad adan adar adba adda addd addn addr adna adra advb ana- anaa anab anad anan anar anba anbb and- anda andr anna annb arab arad aran arar arba arda arna arnd arr- arra arrr arva arvn avab avan avar avda avra avva baaa baad baan baar baba babb babr bada badb badd badr bana band bann banr bar- bara barb bard barn barr bava bbad bbbb bbdd bd-r bdav bdna bnrr brab brad bran brav brda brna brrr d-na daab daad daan daar daba dabb dada dana dand dann danr dara darb dard darn darr dava dbar dbrn dddd dnaa dnab dnad dnan draa drab drad drar drba drda drna drra drvn dvar dvda dvdr dvra naaa naab naad naan naar naba nada nadr nan- nana nanb nand nann nara nard narn narr nava navr navv nbaa nbad nbar ndaa nddb ndna nndb nnnn nrab nrna nrrd nvda raab raad raan raba rabb rada radd radr rana rand rann rara rarb rava rbbb rbbr rdna rnbr rrad rrna rrrr vaad vaan vaar vada vana vand vann vara vard varn varr vava vnav vran vrav vrba vrnn vvvv