aaaa aaab aaad aaam aaav aaba aabb aabd aabm aada aama aamb aamd aava abaa abab abad abam abb- abba abbb abda abma abmb abva abvd adaa adab adad adam adba adda addd adma admb adq- advb amaa amad amam amb- amba amda amm- amma aqda aqmd avab avda avma avva baaa baad baam baba babb babm bada badb badd bama bamb bamm baqa bava bbad bbbb bbbq bbdd bdav bmaa bmdb daab daad daam daba dabb dada dama damb damm dava dddd dmaa dmab dmba dmbq dqdb dvda maaa maad maam maba mada madb madd mama mava mbam mbav mbba mbda mbdb mddm mdma mmaa mmab mmda mmdb mmdv mmmd mmmm qada qama qqqq vaad vada vama vava vdma vvvv