a-a a-t aaa aae aam aap aas aat aax aea aee aem aep aes aet aex ama ame amm amp ams amt amx ap- apa ape apm app aps apt apx as- asa ase asm asp ass ast asx at- ata ate atm atp ats att atx ax- axa axe axm axp axs axt axx eaa eae eam eap eas eat eax eea eee eem eep ees eet eex em- ema eme emm emp ems emt emx ep- epa epe epm epp eps ept epx es- esa ese esm esp ess est esx eta ete etm etp ets ett etx ex- exa exe exp exs ext exx maa mae mam map mas mat max mea mee mem mep mes met mex mma mme mmm mmp mms mmt mmx mpa mpe mpm mpp mps mpt mpx msa mse msm msp mss mst msx mta mte mtm mtp mts mtt mtx mxa mxp mxs p-p paa pae pam pap pas pat pax pea pee pem pep pes pet pex pma pme pmm pmp pms pmt pmx ppa ppe ppm ppp pps ppt ppx ps- psa pse psm psp pss pst psx pt- pta pte ptm ptp pts ptt ptx pxe pxm pxs pxt saa sae sam sap sas sat sax se- sea see sem sep ses set sex sma sme smm smp sms smt smx spa spe spm spp sps spt spx ss- ssa sse ssm ssp sss sst ssx sta ste stm stp sts stt stx sxm sxs sxt t-x taa tae tam tap tas tat tax te- tea tee tem tep tes tet tex tma tme tmm tmp tms tmt tmx tpa tpe tpm tpp tps tpt tpx tsa tse tsm tsp tss tst tsx tta tte ttm ttp tts ttt ttx txe txs txt xaa xam xap xas xat xee xem xep xes xet xex xma xmm xmp xms xmt xmx xpa xpe xpm xpp xps xpt xsa xsm xsp xss xst xtm xtp xts xtx xxp xxx