aaaa aaac aaad aaar aaca aacc aacd aacr aact aada aadc aadt aara aarc aard aart aata aatc aatt ac-t acaa acac acad acar acat acca accc accd acct acda acdc acdt acr- acra acrc acrr acta actc actt adaa adac adad adar adat adcc adda addc addd addr adra adta arac arad arar arat arc- arca arct arda ardc arr- arra arrc arrr arrt arta artc artr at-t ataa atac atad atar atat atca atcc atcr atdt atra atrc atta attr c-cd caaa caac caat cac- caca cacc cacr cada cadc cadd cadr cara carc card carr cart cat- cata catc catd catt ccaa ccac ccad ccar ccat ccca cccc ccdc ccdr ccra ccrc ccrt cctc cctt cd-r cdaa cdac cdad cdda cddr crac crar crat crca crcc crcr crda crdc crrt crtc ctca ctrc ctta daad daar daca dact dada dara darc dard darr dart data datr datt dcca dccc dcct dcra dctc dddd ddrc draa drac drad drar drat drca drda drra dtaa dtac dtcc raad raat rac- raca racc ract rada radc radd radr radt rara rata ratt rcac rccc rcdc rcrd rctc rdac rrad rrat rrrr rtca rtcc rtdt taa- taar taat taca tacc tact tada tara tarc tard tarr tart tata tatr tatt tcad tcca tccc tcdd tctc tdac tdra traa trac trad trat trca trcc trra trtc trtr tttt