-ic a-a a-c a-i a-t aaa aac aai aam aas aat aax ac- aca acc aci acm acs act acx ai- aia aic aii aim ais ait aix ama amc ami amm ams amt amx as- asa asc asi asm ass ast asx at- ata atc ati atm ats att atx ax- axa axi axm axs axt axx c-- caa cac cai cam cas cat cax cca ccc cci ccm ccs cct ccx ci- cia cic cii cim cis cit cix cma cmc cmi cmm cms cmt cmx csa csc csi csm css cst csx cta ctc cti ctm cts ctt ctx cxc cxi cxs cxt cxx ia- iaa iac iai iam ias iat ica icc ici icm ics ict iia iic iii iim iis iit iix im- ima imc imi imm ims imt imx is- isa isc isi ism iss ist ita itc iti itm its itt itx ixc ixi maa mac mai mam mas mat max mc- mca mcc mci mcm mcs mct mcx mi- mia mic mii mim mis mit mix mma mmc mmi mmm mms mmt mmx msa msc msi msm mss mst msx mta mtc mti mtm mts mtt mtx mxa mxc mxi mxs saa sac sai sam sas sat sax sca scc sci scm scs sct scx sia sic sii sim sis sit six sma smc smi smm sms smt smx ss- ssa ssc ssi ssm sss sst ssx sta stc sti stm sts stt stx sxc sxi sxm sxs sxt t-x taa tac tai tam tas tat tax tca tcc tci tcm tcs tct tcx tia tic tii tim tis tit tix tma tmc tmi tmm tms tmt tmx tsa tsc tsi tsm tss tst tsx tta ttc tti ttm tts ttt ttx txi txs txt xaa xac xam xas xat xci xcx xia xic xii xis xit xix xma xmc xmi xmm xms xmt xmx xsa xsc xsi xsm xss xst xtc xti xtm xts xtx xxi xxx