a-a a-c aaa aac aae aam aap aav ac- aca acc ace acm acp acv aea aec aee aem aep aev ama amc ame amm amp amv ap- apa apc ape apm app apv av- ava avc ave avm avp c-- caa cac cae cam cap cav cca ccc cce ccm ccp ccv ce- cea cec cee cem cep cev cma cmc cme cmm cmp cmv cpa cpc cpe cpm cpp cpv cva cvc cve cvm cvp cvv eaa eac eae eam eap eav ec- eca ecc ece ecm ecv eea eec eee eem eep eev em- ema emc eme emm emp emv ep- epa epc epe epm epp eva evc eve evm evp evv m-v maa mac mae mam map mav mc- mca mcc mce mcm mcp mcv mea mec mee mem mep mev mma mmc mme mmm mmp mmv mpa mpc mpe mpm mpp mpv mva mvc mve mvm mvp mvv p-p paa pac pae pam pap pav pca pcc pce pcm pcp pcv pea pec pee pem pep pev pma pmc pme pmm pmp pmv ppa ppc ppe ppm ppp ppv pva pvc pve pvm pvp pvv v-a v-e vaa vac vae vam vap vav vca vcc vce vcm vcp vea vec vee vem vep vm- vma vmc vmm vpa vpc vpe vpm vpp vva vvc vvm vvv