a-a a-t aaa aae aam aan aap aat aax aea aee aem aen aep aet aex ama ame amm amn amp amt amx an- ana ane anm ann anp ant anx ap- apa ape apm apn app apt apx at- ata ate atm atn atp att atx ax- axa axe axm axn axp axt axx eaa eae eam ean eap eat eax eea eee eem een eep eet eex em- ema eme emm emn emp emt emx en- ena ene enm enn enp ent ep- epa epe epm epn epp ept epx eta ete etm etn etp ett etx ex- exa exe exp ext exx maa mae mam man map mat max mea mee mem men mep met mex mma mme mmm mmn mmp mmt mmx mna mne mnm mnn mnp mnt mpa mpe mpm mpn mpp mpt mpx mta mte mtm mtn mtp mtt mtx mxa mxn mxp naa nae nam nan nap nat nax ne- nea nee nem nen nep net nex nma nme nmm nmn nmp nmt nna nne nnm nnn nnp nnt npa npe npm npn npp npt nta nte ntm ntn ntp ntt ntx nxt p-p paa pae pam pan pap pat pax pea pee pem pen pep pet pex pma pme pmm pmn pmp pmt pmx pn- pna pne pnm pnn pnp pnt pnx ppa ppe ppm ppn ppp ppt ppx pt- pta pte ptm ptn ptp ptt ptx pxe pxm pxt t-x taa tae tam tan tap tat tax te- tea tee tem ten tep tet tex tma tme tmm tmn tmp tmt tmx tna tne tnm tnn tnp tnt tnx tpa tpe tpm tpn tpp tpt tpx tta tte ttm ttn ttp ttt ttx txe txn txt xaa xam xan xap xat xee xem xen xep xet xex xma xmm xmp xmt xmx xna xpa xpe xpm xpn xpp xpt xtm xtp xtx xxp xxx