-ic a-a a-c a-i a-t aaa aac aai aam aao aat aax ac- aca acc aci acm aco act acx ai- aia aic aii aim aio ait aix ama amc ami amm amo amt amx aoa aoc aoi aom aoo aot aox at- ata atc ati atm ato att atx ax- axa axi axm axo axt axx c-- caa cac cai cam cao cat cax cca ccc cci ccm cco cct ccx ci- cia cic cii cim cio cit cix cma cmc cmi cmm cmo cmt cmx co- coa coc coi com coo cot cox cta ctc cti ctm cto ctt ctx cxc cxi cxo cxt cxx ia- iaa iac iai iam iao iat ica icc ici icm ico ict iia iic iii iim iio iit iix im- ima imc imi imm imo imt imx io- ioa ioc ioi iom ioo iot ita itc iti itm ito itt itx ixc ixi m-o maa mac mai mam mao mat max mc- mca mcc mci mcm mco mct mcx mi- mia mic mii mim mio mit mix mma mmc mmi mmm mmo mmt mmx moa moc moi mom moo mot mox mta mtc mti mtm mto mtt mtx mxa mxc mxi o-i oaa oac oai oam oao oat oax oc- oca occ oci ocm oco oct ocx oia oic oii oim oio oit om- oma omc omi omm omo omt omx oo- ooa ooc ooi oom ooo oot oox ot- ota otc oti otm oto ott ox- oxa oxc oxi oxo oxt oxx t-x taa tac tai tam tao tat tax tca tcc tci tcm tco tct tcx tia tic tii tim tio tit tix tma tmc tmi tmm tmo tmt tmx to- toa toc toi tom too tot tox tta ttc tti ttm tto ttt ttx txi txt xaa xac xam xat xci xcx xia xic xii xio xit xix xma xmc xmi xmm xmo xmt xmx xoa xoc xoi xom xoo xot xox xtc xti xtm xtx xxi xxo xxx