a-ha aaaa aaac aaad aaaf aaah aaar aaca aacc aacd aacf aach aacr aada aadc aafa aafc aafd aaff aaha aara aarc aard acaa acac acad acar acca accc accd accf acch acda acdc acdf acfc acfd acha achh achr acr- acra acrc acrr adaa adac adad adah adar adcc adda addc addd addr adfa adfc adha adhd adra afaa afad afar afca afcc afch afdc affa affc afr- afra afrc ahac ahad ahah ahar ahfa ahha ahra ahrc ahrr arac arad araf arah arar arc- arca arch arda ardc ardf arfa arfc arff arh- arr- arra arrc arrh arrr c-cd caaa caac caaf caah cac- caca cacc cach cacr cada cadc cadd cadr cafa cafc caff caha cara carc card carf carr ccaa ccac ccad ccaf ccar ccca cccc cccf ccdc ccdf ccdh ccdr ccfa ccfc ccfd ccff ccha cchr ccra ccrc ccrf cd-r cdaa cdac cdad cdda cddr cdfa cfaa cfac cfar cfca cfcf cfda cffr cfra chaa chac chad chaf chah char chca chch chfa chfc chfr chha chra chrc chrd chrf chrr crac craf crar crca crcc crcr crda crdc crfc daad daar daca dada dafa dafc daff daha dara darc dard darf darr dcca dccc dcfc dcra dddd ddrc dfaf dfcc dffa dfrf dhaa dhad dhar dhfc draa drac drad draf drar drca drda drfc drra faaa faac faad faah faca facc fach fada fadd fafa fafc faff faha fahd fahr fara farc fard farr fcar fcca fccf fcch fcda fcra fdca ffar ffcc ffff ffrr frac frad frcc frfc haad haaf haar hada hadf hadh hafd haff haha hara harc hard harf harh harr hcca hccc hcch hcdr hcfa hcfc hcrd hdca hdda hdfc hdra hhaa hhhh hrac hrad hrdc hrfc hrrc raad raaf rac- raca racc rach rada radc radd radh radr rafa rafc raff raha rahr rara rarf rcac rcaf rccc rcdc rcfc rcrd rdac rdfa rffc rrad rrah rrfc rrrr