a-a a-t aaa aae aam aan aap aat aea aee aem aen aep aet ama ame amm amn amp amt an- ana ane anm ann anp ant ap- apa ape apm apn app apt at- ata ate atm atn atp att eaa eae eam ean eap eat eea eee eem een eep eet em- ema eme emm emn emp emt en- ena ene enm enn enp ent ep- epa epe epm epn epp ept eta ete etm etn etp ett maa mae mam man map mat mea mee mem men mep met mma mme mmm mmn mmp mmt mna mne mnm mnn mnp mnt mpa mpe mpm mpn mpp mpt mta mte mtm mtn mtp mtt naa nae nam nan nap nat ne- nea nee nem nen nep net nma nme nmm nmn nmp nmt nna nne nnm nnn nnp nnt npa npe npm npn npp npt nta nte ntm ntn ntp ntt p-p paa pae pam pan pap pat pea pee pem pen pep pet pma pme pmm pmn pmp pmt pn- pna pne pnm pnn pnp pnt ppa ppe ppm ppn ppp ppt pt- pta pte ptm ptn ptp ptt taa tae tam tan tap tat te- tea tee tem ten tep tet tma tme tmm tmn tmp tmt tna tne tnm tnn tnp tnt tpa tpe tpm tpn tpp tpt tta tte ttm ttn ttp ttt