a-a aaa aae aam aap aav aea aee aem aep aev ama ame amm amp amv ap- apa ape apm app apv av- ava ave avm avp eaa eae eam eap eav eea eee eem eep eev em- ema eme emm emp emv ep- epa epe epm epp eva eve evm evp evv m-v maa mae mam map mav mea mee mem mep mev mma mme mmm mmp mmv mpa mpe mpm mpp mpv mva mve mvm mvp mvv p-p paa pae pam pap pav pea pee pem pep pev pma pme pmm pmp pmv ppa ppe ppm ppp ppv pva pve pvm pvp pvv v-a v-e vaa vae vam vap vav vea vee vem vep vm- vma vmm vpa vpe vpm vpp vva vvm vvv