a-a a-c a-z aaa aac aad aam aay aaz ac- aca acc acd acm acy acz ad- ada adc add adm ady adz ama amc amd amm amy amz ay- aya ayc ayd ayz az- aza azd azm azy azz c-- caa cac cad cam cay caz cca ccc ccd ccm ccz cda cdc cdd cdm cdy cdz cma cmc cmd cmm cmy cya cyc cyd cym cz- czc czd czm daa dac dad dam day daz dca dcc dcd dcm dda ddc ddd ddm ddy ddz dma dmc dmd dmm dmz dy- dya dyc dyd dym dyy dza dzd maa mac mad mam may maz mc- mca mcc mcd mcm mcz mda mdc mdd mdm mdy mdz mma mmc mmd mmm mmz my- mya myc myd mym mza mzm yaa yac yad yam yay yaz yca ycc ycd ycy yda ydy yma ymc ymm yyc yyy yyz yzy zaa zac zad zam zay zaz zdm zma zmc zmd zmm zym zzy zzz