a-a a-b a-z aaa aab aae aam aap aav aaz ab- aba abb abe abm abp abv abz aea aeb aee aem aep aev aez ama amb ame amm amp amv amz ap- apa apb ape apm app apv av- ava avb ave avm avp avz az- aza azb aze azm azp azz b-p baa bab bae bam bap bav baz bba bbb bbe bbm bbp be- bea beb bee bem bep bev bez bma bmb bme bmm bmp bmv bmz bpa bpb bpe bpm bpp bpv bva bvb bve bvm bvp bvv bza bze bzp bzz eaa eab eae eam eap eav eaz eba ebb ebe ebm ebp ebv eea eeb eee eem eep eev em- ema emb eme emm emp emv ep- epa epb epe epm epp epz eva evb eve evm evp evv eze ezz m-v maa mab mae mam map mav maz mba mbb mbe mbm mbp mbv mea meb mee mem mep mev mez mma mmb mme mmm mmp mmv mmz mpa mpb mpe mpm mpp mpv mva mvb mve mvm mvp mvv mvz mza mzb mzm mzp p-p paa pab pae pam pap pav paz pba pbb pbe pbm pbp pbz pea peb pee pem pep pev pez pma pmb pme pmm pmp pmv pmz ppa ppb ppe ppm ppp ppv ppz pva pvb pve pvm pvp pvv pvz pzm pzp v-a v-e vaa vab vae vam vap vav vaz vba vbm vbv vbz vea veb vee vem vep vez vm- vma vmm vmz vpa vpb vpe vpm vpp vva vvb vvm vvv vvz zaa zab zam zap zav zaz zbb zbm zbv zea zeb zee zem zep zev zez zma zmb zmm zmp zpe zpm zpp zzz