-ic a-a a-c a-i aaa aac aah aai aao aax ac- aca acc ach aci aco acx aha ahc ahh ahi aho ahx ai- aia aic aih aii aio aix aoa aoc aoh aoi aoo aox ax- axa axh axi axo axx c-- caa cac cah cai cao cax cca ccc cch cci cco ccx ch- cha chc chh chi cho chx ci- cia cic cih cii cio cix co- coa coc coh coi coo cox cxc cxh cxi cxo cxx h-i haa hac hah hai hao hax hca hcc hch hci hco hha hhc hhh hhi hho hia hic hih hii hio hix hoa hoc hoh hoi hoo hox hxc ia- iaa iac iah iai iao ica icc ich ici ico iha ihc ihh ihi iho iia iic iih iii iio iix io- ioa ioc ioh ioi ioo ixc ixi o-i oaa oac oah oai oao oax oc- oca occ och oci oco ocx oha ohc ohh ohi oho oia oic oii oio oo- ooa ooc ooh ooi ooo oox ox- oxa oxc oxi oxo oxx xaa xac xch xci xcx xia xic xii xio xix xoa xoc xoi xoo xox xxi xxo xxx