a-a a-c aaa aac aad aae aam aas ac- aca acc acd ace acm acs ad- ada adc add ade adm ads aea aec aed aee aem aes ama amc amd ame amm ams as- asa asc asd ase asm ass c-- caa cac cad cae cam cas cca ccc ccd cce ccm ccs cda cdc cdd cde cdm cds ce- cea cec ced cee cem ces cma cmc cmd cme cmm cms csa csc csd cse csm css daa dac dad dae dam das dca dcc dcd dce dcm dcs dda ddc ddd dde ddm dds de- dea dec ded dee dem des dma dmc dmd dme dmm dms dsa dsc dsd dse dsm dss eaa eac ead eae eam eas ec- eca ecc ecd ece ecm ecs ed- eda edc edd ede edm eds eea eec eed eee eem ees em- ema emc emd eme emm ems es- esa esc esd ese esm ess maa mac mad mae mam mas mc- mca mcc mcd mce mcm mcs mda mdc mdd mde mdm mds mea mec med mee mem mes mma mmc mmd mme mmm mms msa msc msd mse msm mss saa sac sad sae sam sas sca scc scd sce scm scs sda sdc sdd sde sdm sds se- sea sec sed see sem ses sma smc smd sme smm sms ss- ssa ssc ssd sse ssm sss