a-a a-t aaa aae aam aap aat aax aea aee aem aep aet aex ama ame amm amp amt amx ap- apa ape apm app apt apx at- ata ate atm atp att atx ax- axa axe axm axp axt axx eaa eae eam eap eat eax eea eee eem eep eet eex em- ema eme emm emp emt emx ep- epa epe epm epp ept epx eta ete etm etp ett etx ex- exa exe exp ext exx maa mae mam map mat max mea mee mem mep met mex mma mme mmm mmp mmt mmx mpa mpe mpm mpp mpt mpx mta mte mtm mtp mtt mtx mxa mxp p-p paa pae pam pap pat pax pea pee pem pep pet pex pma pme pmm pmp pmt pmx ppa ppe ppm ppp ppt ppx pt- pta pte ptm ptp ptt ptx pxe pxm pxt t-x taa tae tam tap tat tax te- tea tee tem tep tet tex tma tme tmm tmp tmt tmx tpa tpe tpm tpp tpt tpx tta tte ttm ttp ttt ttx txe txt xaa xam xap xat xee xem xep xet xex xma xmm xmp xmt xmx xpa xpe xpm xpp xpt xtm xtp xtx xxp xxx