a-a a-t aaa aae aan aap aas aat aea aee aen aep aes aet an- ana ane ann anp ans ant ap- apa ape apn app aps apt as- asa ase asn asp ass ast at- ata ate atn atp ats att eaa eae ean eap eas eat eea eee een eep ees eet en- ena ene enn enp ens ent ep- epa epe epn epp eps ept es- esa ese esn esp ess est eta ete etn etp ets ett naa nae nan nap nas nat ne- nea nee nen nep nes net nna nne nnn nnp nns nnt npa npe npn npp nps npt nsa nse nsn nsp nss nst nta nte ntn ntp nts ntt p-p paa pae pan pap pas pat pea pee pen pep pes pet pn- pna pne pnn pnp pns pnt ppa ppe ppn ppp pps ppt ps- psa pse psn psp pss pst pt- pta pte ptn ptp pts ptt saa sae san sap sas sat se- sea see sen sep ses set sna sne snn snp sns snt spa spe spn spp sps spt ss- ssa sse ssn ssp sss sst sta ste stn stp sts stt taa tae tan tap tas tat te- tea tee ten tep tes tet tna tne tnn tnp tns tnt tpa tpe tpn tpp tps tpt tsa tse tsn tsp tss tst tta tte ttn ttp tts ttt