a-a a-c aaa aac aad aan aay ac- aca acc acd acn acy ad- ada adc add adn ady an- ana anc and ann any ay- aya ayc ayd ayn c-- caa cac cad can cay cca ccc ccd ccn cda cdc cdd cdn cdy cn- cna cnc cnd cnn cny cya cyc cyd cyn daa dac dad dan day dca dcc dcd dcn dda ddc ddd ddn ddy dna dnc dnd dnn dny dy- dya dyc dyd dyn dyy naa nac nad nan nay nca ncc ncd ncn nda ndc ndd ndn ndy nna nnc nnn nya nyc nyd nyn nyy yaa yac yad yan yay yca ycc ycd ycy yda ydn ydy yna ynd ynn yny yyc yyy