a-ak aaaa aaac aaad aaca aacc aacd aack aada aadc aaka acaa acac acad acca accc accd acda acdc ackd adaa adac adad adak adcc adda addc addd akaa akca akka aza- azad azaz azca azza c-cd caaa caac cac- caca cacc cack cada cadc cadd caka caza ccaa ccac ccad ccca cccc ccdc cdaa cdac cdad cdda cdza ckac ckck daad daca dada daka dazz dcca dccc dddd dkdc dzca kaaa kaak kacc kacd kacz kad- kada kadd kadz kaka kakc kakk kaza kazc kazd kazz kcaa kcac kcad kcca kccc kccd kcck kcda kcdc kcdd kcdz kckc kckk kckz kczz kdaa kdac kdad kdak kdaz kdca kdcc kdcd kddc kddd kddk kdka kdkd kdkk kdza kdzz kkaa kkac kkcd kkck kkda kkdc kkdd kkdz kkkk kkzz kzaz kzcd kzdc kzkz kzza kzzd kzzk kzzz zaca zack zada zaka zakk zaza zzzz