-ic -th a-a a-c a-i a-t aaa aac aae aah aai aat aax ac- aca acc ace ach aci act acx aea aec aee aeh aei aet aex aha ahc ahe ahh ahi aht ahx ai- aia aic aie aih aii ait aix at- ata atc ate ath ati att atx ax- axa axe axh axi axt axx c-- caa cac cae cah cai cat cax cca ccc cce cch cci cct ccx ce- cea cec cee ceh cei cet cex ch- cha chc che chh chi cht chx ci- cia cic cie cih cii cit cix cta ctc cte cth cti ctt ctx cxc cxh cxi cxt cxx eaa eac eae eah eai eat eax ec- eca ecc ece ech eci ect ecx eea eec eee eet eex eha ehc ehe ehh ehi eht eia eic eie eii eit eix eta etc ete eth eti ett etx ex- exa exc exe exh exi ext exx h-i haa hac hae hah hai hat hax hca hcc hce hch hci hct he- hea hec hee heh hei het hex hha hhc hhe hhh hhi hht hia hic hie hih hii hit hix hta htc hte hth hti htt htx hxc ia- iaa iac iae iah iai iat ica icc ice ich ici ict ie- iea iec iee iei iet iex iha ihc ihe ihh ihi iht iia iic iie iih iii iit iix ita itc ite ith iti itt itx ixc ixe ixi t-x taa tac tae tah tai tat tax tca tcc tce tch tci tct tcx te- tea tec tee teh tei tet tex th- tha thc the thh thi tht thx tia tic tie tih tii tit tix tta ttc tte tth tti ttt ttx txe txi txt xaa xac xat xch xci xcx xee xet xex xht xia xic xie xii xit xix xtc xti xtx xxi xxx