-ana aaaa aaac aaad aaan aaar aaca aacc aacd aacn aacr aada aadc aana aand aara aarc aard acaa acac acad acan acar acca accc accd acda acdc acr- acra acrc acrr adaa adac adad adan adar adcc adda addc addd addn addr adna adra ana- anaa anac anad anan anar anca ancc and- anda andr anna anrc arac arad aran arar arc- arca arda ardc arna arnd arr- arra arrc arrr c-cd caaa caac caan cac- caca cacc cacr cada cadc cadd cadr cana canc cand cann cara carc card carn carr ccaa ccac ccad ccar ccca cccc ccdc ccdn ccdr ccna ccnc ccnr ccra ccrc cd-r cdaa cdac cdad cdda cddr cdna cdnc cnaa cnac cnda cndd cnna cnrc cnrr crac cran crar crca crcc crcr crda crdc crna d-na daad daan daar daca dada dana dand dann danr dara darc dard darn darr dcca dccc dcra dddd ddrc dnaa dnac dnad dnan dnrc draa drac drad drar drca drda drna drra naaa naac naad naan naar naca nacc nacd nada nadc nadr nan- nana nand nann nara narc nard narn narr ncaa ncac ncar ncca nccc nccn nccr ncda ncdc ncdn ncdr ncna ncnc ncnd ncra ncrc ndaa ndcc ndna ndrc nnnn nrca nrdc nrna nrrc nrrd raad raan rac- raca racc rada radc radd radr rana ranc rand rann rara rcac rccc rcdc rcnr rcrd rdac rdna rndc rrad rrna rrrr