a-a a-z aaa aad aak aan aaz ad- ada add adk adn adz aka akd akk akn an- ana and ank ann anz az- aza azd azn azz daa dad dak dan daz dda ddd ddk ddn ddz dka dkk dna dnd dnk dnn dnz dza dzd k-z ka- kaa kad kak kan kaz kda kdk kkk kkn kn- kna knd knk knn naa nad nak nan naz nda ndd ndk ndn nka nkk nkn nna nnk nnn nnz nzd nzz zaa zad zak zan zaz zka znd znn zzz