a-a a-t aaa aae aaf aan aap aas aat aea aee aef aen aep aes aet af- afa afe aff afn afp afs aft an- ana ane anf ann anp ans ant ap- apa ape apf apn app aps apt as- asa ase asf asn asp ass ast at- ata ate atf atn atp ats att eaa eae eaf ean eap eas eat eea eee eef een eep ees eet ef- efa efe eff efp efs eft en- ena ene enf enn enp ens ent ep- epa epe epf epn epp eps ept es- esa ese esf esn esp ess est eta ete etf etn etp ets ett faa fae faf fan fap fas fat fea fee fef fen fep fes fet ffa ffe fff ffn ffp ffs fft fna fne fnf fnn fnp fns fnt fpa fpe fpn fpp fps fpt fsa fse fsf fsn fsp fss fst fta fte ftf ftn ftp fts ftt naa nae naf nan nap nas nat ne- nea nee nef nen nep nes net nfa nfe nff nfn nfp nfs nft nna nne nnf nnn nnp nns nnt npa npe npf npn npp nps npt nsa nse nsf nsn nsp nss nst nta nte ntf ntn ntp nts ntt p-p paa pae paf pan pap pas pat pea pee pef pen pep pes pet pfa pfe pff pfn pfp pfs pft pn- pna pne pnf pnn pnp pns pnt ppa ppe ppf ppn ppp pps ppt ps- psa pse psf psn psp pss pst pt- pta pte ptf ptn ptp pts ptt saa sae saf san sap sas sat se- sea see sef sen sep ses set sfa sfe sff sfn sfp sfs sft sna sne snf snn snp sns snt spa spe spf spn spp sps spt ss- ssa sse ssf ssn ssp sss sst sta ste stf stn stp sts stt taa tae taf tan tap tas tat te- tea tee tef ten tep tes tet tfa tfe tff tfn tfp tfs tft tna tne tnf tnn tnp tns tnt tpa tpe tpf tpn tpp tps tpt tsa tse tsf tsn tsp tss tst tta tte ttf ttn ttp tts ttt