-ic a-a a-c a-i aaa aac aae aah aai aam aao aax ac- aca acc ace ach aci acm aco acx aea aec aee aeh aei aem aeo aex aha ahc ahe ahh ahi ahm aho ahx ai- aia aic aie aih aii aim aio aix ama amc ame amh ami amm amo amx aoa aoc aoe aoh aoi aom aoo aox ax- axa axe axh axi axm axo axx c-- caa cac cae cah cai cam cao cax cca ccc cce cch cci ccm cco ccx ce- cea cec cee ceh cei cem ceo cex ch- cha chc che chh chi chm cho chx ci- cia cic cie cih cii cim cio cix cma cmc cme cmh cmi cmm cmo cmx co- coa coc coe coh coi com coo cox cxc cxh cxi cxo cxx eaa eac eae eah eai eam eao eax ec- eca ecc ece ech eci ecm eco ecx eea eec eee eem eeo eex eha ehc ehe ehh ehi ehm eho eia eic eie eii eim eio eix em- ema emc eme emh emi emm emo emx eo- eoa eoc eoe eoh eoi eom eoo ex- exa exc exe exh exi exo exx h-i haa hac hae hah hai ham hao hax hca hcc hce hch hci hcm hco he- hea hec hee heh hei hem heo hex hha hhc hhe hhh hhi hhm hho hia hic hie hih hii him hio hix hma hmc hme hmh hmi hmm hmo hmx hoa hoc hoe hoh hoi hom hoo hox hxc hxm ia- iaa iac iae iah iai iam iao ica icc ice ich ici icm ico ie- iea iec iee iei iem iex iha ihc ihe ihh ihi ihm iho iia iic iie iih iii iim iio iix im- ima imc ime imh imi imm imo imx io- ioa ioc ioe ioh ioi iom ioo ixc ixe ixi m-o maa mac mae mah mai mam mao max mc- mca mcc mce mch mci mcm mco mcx mea mec mee meh mei mem meo mex mha mhc mhh mhi mhm mho mhx mi- mia mic mie mih mii mim mio mix mma mmc mme mmh mmi mmm mmo mmx moa moc moe moh moi mom moo mox mxa mxc mxi o-i oaa oac oae oah oai oam oao oax oc- oca occ och oci ocm oco ocx oea oec oee oeh oei oem oeo oex oha ohc ohe ohh ohi ohm oho oia oic oie oii oim oio om- oma omc ome omh omi omm omo omx oo- ooa ooc ooh ooi oom ooo oox ox- oxa oxc oxi oxo oxx xaa xac xam xch xci xcx xee xem xex xia xic xie xii xio xix xma xmc xmh xmi xmm xmo xmx xoa xoc xoi xom xoo xox xxi xxo xxx