-ic -th a-a a-c a-i a-t aaa aac aae aaf aah aai aat aax ac- aca acc ace acf ach aci act acx aea aec aee aef aeh aei aet aex af- afa afc afe aff afh afi aft afx aha ahc ahe ahf ahh ahi aht ahx ai- aia aic aie aif aih aii ait aix at- ata atc ate atf ath ati att atx ax- axa axe axh axi axt axx c-- caa cac cae caf cah cai cat cax cca ccc cce ccf cch cci cct ccx ce- cea cec cee cef ceh cei cet cex cfa cfc cfe cff cfh cfi cft cfx ch- cha chc che chf chh chi cht chx ci- cia cic cie cif cih cii cit cix cta ctc cte ctf cth cti ctt ctx cxc cxf cxh cxi cxt cxx eaa eac eae eaf eah eai eat eax ec- eca ecc ece ecf ech eci ect ecx eea eec eee eef eet eex ef- efa efc efe eff efh efi eft efx eha ehc ehe ehf ehh ehi eht eia eic eie eif eii eit eix eta etc ete etf eth eti ett etx ex- exa exc exe exh exi ext exx faa fac fae faf fah fai fat fax fca fcc fce fcf fci fct fcx fea fec fee fef feh fei fet fex ffa ffc ffe fff ffh ffi fft ffx fha fhc fhe fhf fhh fhi fia fic fie fif fih fii fit fix fta ftc fte ftf fth fti ftt ftx fxe fxi fxt fxx h-i haa hac hae haf hah hai hat hax hca hcc hce hcf hch hci hct he- hea hec hee hef heh hei het hex hfa hfc hfe hff hfh hfi hft hha hhc hhe hhf hhh hhi hht hia hic hie hif hih hii hit hix hta htc hte htf hth hti htt htx hxc i-f ia- iaa iac iae iaf iah iai iat ica icc ice icf ich ici ict ie- iea iec iee ief iei iet iex ifa ifc ife iff ifi ift ifx iha ihc ihe ihf ihh ihi iht iia iic iie iif iih iii iit iix ita itc ite itf ith iti itt itx ixc ixe ixi t-x taa tac tae taf tah tai tat tax tca tcc tce tcf tch tci tct tcx te- tea tec tee tef teh tei tet tex tfa tfc tfe tff tfh tfi tft tfx th- tha thc the thf thh thi tht thx tia tic tie tif tih tii tit tix tta ttc tte ttf tth tti ttt ttx txe txf txi txt xaa xac xaf xat xcf xch xci xcx xee xet xex xfa xfe xfh xft xfx xht xia xic xie xii xit xix xtc xtf xti xtx xxi xxx