a-a a-c aaa aac aad aam aay ac- aca acc acd acm acy ad- ada adc add adm ady ama amc amd amm amy ay- aya ayc ayd c-- caa cac cad cam cay cca ccc ccd ccm cda cdc cdd cdm cdy cma cmc cmd cmm cmy cya cyc cyd cym daa dac dad dam day dca dcc dcd dcm dda ddc ddd ddm ddy dma dmc dmd dmm dy- dya dyc dyd dym dyy maa mac mad mam may mc- mca mcc mcd mcm mda mdc mdd mdm mdy mma mmc mmd mmm my- mya myc myd mym yaa yac yad yam yay yca ycc ycd ycy yda ydy yma ymc ymm yyc yyy