a-a aaa aah aam aao aax aha ahh ahm aho ahx ama amh amm amo amx aoa aoh aom aoo aox ax- axa axh axm axo axx haa hah ham hao hax hha hhh hhm hho hma hmh hmm hmo hmx hoa hoh hom hoo hox hxm m-o maa mah mam mao max mha mhh mhm mho mhx mma mmh mmm mmo mmx moa moh mom moo mox mxa oaa oah oam oao oax oha ohh ohm oho om- oma omh omm omo omx oo- ooa ooh oom ooo oox ox- oxa oxo oxx xaa xam xma xmh xmm xmo xmx xoa xom xoo xox xxo xxx