a-a a-t aaa aae aam aas aat aax aea aee aem aes aet aex ama ame amm ams amt amx as- asa ase asm ass ast asx at- ata ate atm ats att atx ax- axa axe axm axs axt axx eaa eae eam eas eat eax eea eee eem ees eet eex em- ema eme emm ems emt emx es- esa ese esm ess est esx eta ete etm ets ett etx ex- exa exe exs ext exx maa mae mam mas mat max mea mee mem mes met mex mma mme mmm mms mmt mmx msa mse msm mss mst msx mta mte mtm mts mtt mtx mxa mxs saa sae sam sas sat sax se- sea see sem ses set sex sma sme smm sms smt smx ss- ssa sse ssm sss sst ssx sta ste stm sts stt stx sxm sxs sxt t-x taa tae tam tas tat tax te- tea tee tem tes tet tex tma tme tmm tms tmt tmx tsa tse tsm tss tst tsx tta tte ttm tts ttt ttx txe txs txt xaa xam xas xat xee xem xes xet xex xma xmm xms xmt xmx xsa xsm xss xst xtm xts xtx xxx