-ana a-ak aaaa aaac aaad aaan aaar aaca aacc aacd aack aacn aacr aada aadc aaka aana aand aara aarc aard acaa acac acad acan acar acca accc accd acda acdc ackd acr- acra acrc acrr adaa adac adad adak adan adar adcc adda addc addd addn addr adna adra akaa akan akar akca akdn akka akna akr- akra ana- anaa anac anad anak anan anar anca ancc and- anda andr ank- anka anna anrc arac arad arak aran arar arc- arca arda ardc arka arna arnd arnk arr- arra arrc arrk arrr c-cd caaa caac caan cac- caca cacc cack cacr cada cadc cadd cadr caka cana canc cand cank cann cara carc card cark 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 ckac ckan ckck cknc ckrc ckrd cnaa cnac cnda cndd cnna cnrc cnrr crac cran crar crca crcc crcr crda crdc crkc crna d-na daad daan daar daca dada daka dana dand dank dann danr dara darc dard dark darn darr dcca dccc dcra dcrk dddd ddrc dkdc dnaa dnac dnad dnan dnrc draa drac drad drak drar drca drda drna drra kaaa kaak kaan kaar kacc kacd kad- kada kadd kadr kaka kakc kakk kakn kana kand kann kara kard kark karn karr kcaa kcac kcad kcar kcca kccc kccd kcck kccr kcda kcdc kcdd kcdr kckc kckk kckn kckr kcnd kcnr kcrc kcrn kcrr kdaa kdac kdad kdak kdar kdca kdcc kdcd kdcr kddc kddd kddk kddr kdka kdkd kdkk kdkn kdkr kdna kdnd kdnk kdnn kdnr kkaa kkac kkan kkar kkcd kkck kkcn kkcr kkda kkdc kkdd kkkk kknd kknn kkrc kkrk kkrn kkrr knaa knac knan knar knca knck kncn kncr knda kndc kndd kndk kndn kndr knkk knnd knnk knnr knrk krac krad krak kran krar krca krcc krcd krcn krda krdc krdd krdr krka krkc krkd krkk krkn krkr krna krnd krnk krnn krrc krrk krrn krrr naaa naac naad naan naar naca nacc nacd nack nada nadc nadk nadr naka nan- nana nand nann nara narc nard nark narn narr ncaa ncac ncar ncca nccc nccn nccr ncda ncdc ncdn ncdr ncna ncnc ncnd ncra ncrc ndaa ndak ndcc ndna ndrc nnnn nrca nrdc nrna nrrc nrrd raad raak raan rac- raca racc rack rada radc radd radr raka rakk rana ranc rand rank rann rara rark rcac rccc rcdc rcnr rcrd rdac rdna rndc rrad rrna rrrr