a-a a-b aaa aab aah aam aav ab- aba abb abh abm abv aha ahb ahh ahm ahv ama amb amh amm amv av- ava avb avh avm baa bab bah bam bav bba bbb bbh bbm bha bhb bhh bhm bhv bma bmb bmh bmm bmv bva bvb bvh bvm bvv haa hab hah ham hav hba hbb hbh hbm hbv hha hhb hhh hhm hhv hma hmb hmh hmm hmv hv- hva hvb hvm hvv m-v maa mab mah mam mav mba mbb mbh mbm mbv mha mhh mhm mhv mma mmb mmh mmm mmv mva mvb mvm mvv v-a vaa vab vah vam vav vba vbh vbm vbv vh- vha vhb vm- vma vmm vva vvb vvm vvv