a-a a-c aaa aac aae aam aav ac- aca acc ace acm acv aea aec aee aem aev ama amc ame amm amv av- ava avc ave avm c-- caa cac cae cam cav cca ccc cce ccm ccv ce- cea cec cee cem cev cma cmc cme cmm cmv cva cvc cve cvm cvv eaa eac eae eam eav ec- eca ecc ece ecm ecv eea eec eee eem eev em- ema emc eme emm emv eva evc eve evm evv m-v maa mac mae mam mav mc- mca mcc mce mcm mcv mea mec mee mem mev mma mmc mme mmm mmv mva mvc mve mvm mvv v-a v-e vaa vac vae vam vav vca vcc vce vcm vea vec vee vem vm- vma vmc vmm vva vvc vvm vvv