a-a a-i a-t aaa aaf aai aan aap aas aat af- afa aff afi afn afp afs aft ai- aia aif aii ain aip ais ait an- ana anf ani ann anp ans ant ap- apa apf api apn app aps apt as- asa asf asi asn asp ass ast at- ata atf ati atn atp ats att faa faf fai fan fap fas fat ffa fff ffi ffn ffp ffs fft fia fif fii fin fip fis fit fna fnf fni fnn fnp fns fnt fpa fpi fpn fpp fps fpt fsa fsf fsi fsn fsp fss fst fta ftf fti ftn ftp fts ftt i-f ia- iaa iaf iai ian iap ias iat ifa iff ifi ifn ifp ifs ift iia iif iii iin iip iis iit in- ina inf ini inn inp ins int ipa ipf ipi ipn ipp ips ipt is- isa isf isi isn isp iss ist ita itf iti itn itp its itt n-i naa naf nai nan nap nas nat nfa nff nfi nfn nfp nfs nft nia nif nii nin nip nis nit nna nnf nni nnn nnp nns nnt npa npf npi npn npp nps npt nsa nsf nsi nsn nsp nss nst nta ntf nti ntn ntp nts ntt p-p paa paf pai pan pap pas pat pfa pff pfi pfn pfp pfs pft pia pif pii pin pip pis pit pn- pna pnf pni pnn pnp pns pnt ppa ppf ppi ppn ppp pps ppt ps- psa psf psi psn psp pss pst pt- pta ptf pti ptn ptp pts ptt saa saf sai san sap sas sat sfa sff sfi sfn sfp sfs sft sia sif sii sin sip sis sit sna snf sni snn snp sns snt spa spf spi spn spp sps spt ss- ssa ssf ssi ssn ssp sss sst sta stf sti stn stp sts stt taa taf tai tan tap tas tat tfa tff tfi tfn tfp tfs tft tia tif tii tin tip tis tit tna tnf tni tnn tnp tns tnt tpa tpf tpi tpn tpp tps tpt tsa tsf tsi tsn tsp tss tst tta ttf tti ttn ttp tts ttt