a-ak aaaa aaac aaad aaca aacc aacd aack aact aada aadc aadt aaka aata aatc aatk aatt ac-t acaa acac acad acat acca accc accd acct acda acdc acdt ackd acta actc actt adaa adac adad adak adat adcc adda addc addd adta akaa akca akka at-t ataa atac atad atak atat atca atcc atck atdt atka atkt atta c-cd caaa caac caat cac- caca cacc cack cada cadc cadd caka cat- cata catc catd catt ccaa ccac ccad ccat ccca cccc ccdc cctc cctt cdaa cdac cdad cdda ckac ckat ckck ctca ctta daad daca dact dada daka data datt dcca dccc dcct dctc dddd dkdc dtaa dtac dtcc kaaa kaak kaat kacc kacd kact kad- kada kadd kadt kaka kakc kakk kakt kat- kata katc katd katk katt kcaa kcac kcad kcat kcca kccc kccd kcck kcct kcda kcdc kcdd kckc kckk kcta kctc kdaa kdac kdad kdak kdat kdca kdcc kdcd kddc kddd kddk kdka kdkd kdkk kdkt kdta kdtd kkaa kkac kkat kkcd kkck kkct kkda kkdc kkdd kkdt kkkk kktc kktk ktaa ktak ktat ktcc ktck ktdc ktdd ktdk ktkc ktkk ktkt kttc kttk kttt taa- taat taca tacc tack tact tada taka takk takt tata tatt tcad tcca tccc tcdd tctc tdac tkac tttt