a-a a-c aaa aac aae aam aas aav ac- aca acc ace acm acs acv aea aec aee aem aes aev ama amc ame amm ams amv as- asa asc ase asm ass asv av- ava avc ave avm avs c-- caa cac cae cam cas cav cca ccc cce ccm ccs ccv ce- cea cec cee cem ces cev cma cmc cme cmm cms cmv csa csc cse csm css csv cva cvc cve cvm cvs cvv eaa eac eae eam eas eav ec- eca ecc ece ecm ecs ecv eea eec eee eem ees eev em- ema emc eme emm ems emv es- esa esc ese esm ess esv eva evc eve evm evs evv m-v maa mac mae mam mas mav mc- mca mcc mce mcm mcs mcv mea mec mee mem mes mev mma mmc mme mmm mms mmv msa msc mse msm mss msv mva mvc mve mvm mvs mvv saa sac sae sam sas sav sca scc sce scm scs scv se- sea sec see sem ses sev sma smc sme smm sms smv ss- ssa ssc sse ssm sss ssv sva svc sve svm svs svv v-a v-e vaa vac vae vam vas vav vca vcc vce vcm vcs vea vec vee vem ves vm- vma vmc vmm vsa vsc vse vsm vss vsv vva vvc vvm vvs vvv