a-a a-c aaa aac aad aam aar ac- aca acc acd acm acr ad- ada adc add adm adr ama amc amd amm amr ar- ara arc ard arm arr c-- caa cac cad cam car cca ccc ccd ccm ccr cda cdc cdd cdm cdr cma cmc cmd cmm cmr cra crc crd crm crr daa dac dad dam dar dca dcc dcd dcm dcr dda ddc ddd ddm ddr dma dmc dmd dmm dmr dra drc drd drm drr m-r maa mac mad mam mar mc- mca mcc mcd mcm mcr mda mdc mdd mdm mdr mma mmc mmd mmm mmr mra mrc mrd mrm mrr ra- raa rac rad ram rar rca rcc rcd rcm rcr rda rdc rdd rdm rdr rma rmc rmd rmm rmr rra rrc rrd rrm rrr