-ana a-do aaaa aaab aaad aaan aaar aaba aabb aabd aada aana aand aaon aaoo aara aard aaro abaa abab abad aban abar abax abb- abba abbb abbo abbr abda abdo aboa abob abod abon aboo abor abox abra abro adaa adab adad adan adao adar adba adda addd addn addo addr adna adob adod adon adoo ador adox adra adro ana- anaa anab anad anan anao anar anax anba anbb anbo and- anda ando andr anna annb anno ano- anoa anod anon anor anox aoba aonb aono aora aorb aorn arab arad aran arar arax arba arda ardo arna arnd arno aroa arob arod aron aroo aror arr- arra arro arrr axan axar axo- axoa axon axxo ba-x baaa baad baan baar baba babb babo babr bada badb badd bado badr bana band bann bano banr baon bar- bara barb bard barn baro barr barx bbad bbbb bbdd bbdo bbox bd-r bdna bnor bnrr boab boad boan boar boba bobb bobo boda bodb bodo bona bond bonn bono boob bood boon boor boox bor- bora bord born boro borr boxa brab brad bran brao brax brda brdo brna brno broa brob brod bron broo bror brox brrr d-bo d-na daab daad daan daar daba dabb dabo dada dado dana dand dann dano danr daon dara darb dard darn daro darr dbar dbrn dddd dnaa dnab dnad dnan dnax do-x doab doan doar doba dobb dod- doda dodd dodo dona dond donn dono donr doob dood doon door dora dord dorn doro dorr doxa draa drab drad drar drax drba drda drna drno drob drod dron drra dxab dxbn dxbr dxdr dxnd dxra dxrd dxrr dxrx dxxr dxxx naaa naab naad naan naar naba nabo nada nadr nan- nana nanb nand nann nano naor nara nard narn naro narr narx nbaa nbad nbar nbbo ndaa ndao nddb nddo ndna ndor nndb nnnn noaa noba nobo noda nodo non- nona nonn nono nonx noo- noob noon nooo noor nor- nora norb nord norn noro norr noxa nrab nrna nron nrrd nxdn oara obad oban obba obbo obon obor obox obra obro odax odbo odda oddd odnb odon odoo odor odra onab onan onar onda ondo onna onno onod onon onor onra ooaa ooba ooda oona oooo oora oord orab orad oran orao orar orba orbb orbo orda ordn ordo orna orno oro- oron oror orra orro oxa- oxan oxna oxo- oxon oxox oxxo raab raad raan raba rabb rabo rada radd rado radr radx rana rand rann rano ranx raob rara rarb raro raxa rbbb rbbr rdna rnbr rnod roab road roan roar rob- roba robb robo roda rodd rodo rona rond rono roob rood roon roor roox rora roro roxa roxo rrad rrna rrrr xaar xado xana xand xano xara xbar xbox xbra xdna xoan xorn xoro xoxo xrdb xrod xxxo xxxx