-ana aaaa aaab aaad aaal aaan aaba aabb aabd aabl aada aala aald aall aana aand abaa abab abad abal aban abax abb- abba abbb abda abla adaa adab adad adal adan adba adda addd addl addn adna alaa alad alal alan alb- alba ald- alda aldl all- alla alll alln alna alxa ana- anaa anab anad anal anan anax anba anbb anbl and- anda andl anla anln anna annb axal axan ba-x baaa baad baal baan baba babb bada badb badd bala bald ball bana band bann bbad bbbb bbdd bblb bdna blaa blab blad blan d-na daab daad daal daan daba dabb dada dala dall dana dand danl dann dbnl dddd dlab dlbd dnaa dnab dnad dnan dnax dxab dxbl dxbn dxll dxnd dxxl dxxx laaa laad laal laan laax laba lada ladd lala lald lall lan- lana land lann lanx laxa llan lldb llll lndn lxxx naaa naab naad naal naan naba nabl nada nala nald nall nan- nana nanb nand nann nbaa nbad ndaa nddb ndna nlab nndb nnnn nxdn xala xall xana xand xdna xldb xxxx