a-a aaa aad aak aam aan ad- ada add adk adm adn aka akd akk akm akn ama amd amk amm amn an- ana and ank anm ann daa dad dak dam dan dda ddd ddk ddm ddn dka dkk dkm dma dmd dmk dmm dmn dna dnd dnk dnm dnn ka- kaa kad kak kam kan kda kdk kdm kkk kkm kkn kma kmd kmk kmm kn- kna knd knk knm knn maa mad mak mam man mda mdd mdk mdm mdn mka mkd mkk mkm mkn mma mmd mmk mmm mmn mna mnk mnm mnn naa nad nak nam nan nda ndd ndk ndm ndn nka nkk nkm nkn nma nmd nmk nmm nmn nna nnk nnm nnn