a-a a-c aaa aac aad aae aam aap ac- aca acc acd ace acm acp ad- ada adc add ade adm adp aea aec aed aee aem aep ama amc amd ame amm amp ap- apa apc apd ape apm app c-- caa cac cad cae cam cap cca ccc ccd cce ccm ccp cda cdc cdd cde cdm cdp ce- cea cec ced cee cem cep cma cmc cmd cme cmm cmp cpa cpc cpd cpe cpm cpp daa dac dad dae dam dap dca dcc dcd dce dcm dcp dda ddc ddd dde ddm ddp de- dea dec ded dee dem dep dma dmc dmd dme dmm dmp dpa dpc dpd dpe dpm dpp eaa eac ead eae eam eap ec- eca ecc ecd ece ecm ed- eda edc edd ede edm edp eea eec eed eee eem eep em- ema emc emd eme emm emp ep- epa epc epd epe epm epp maa mac mad mae mam map mc- mca mcc mcd mce mcm mcp mda mdc mdd mde mdm mdp mea mec med mee mem mep mma mmc mmd mme mmm mmp mpa mpc mpd mpe mpm mpp p-p paa pac pad pae pam pap pca pcc pcd pce pcm pcp pda pdc pdd pde pdm pdp pea pec ped pee pem pep pma pmc pmd pme pmm pmp ppa ppc ppd ppe ppm ppp