a-a a-i a-t aaa aaf aai aan aao aap aas aat af- afa aff afi afn afo afp afs aft ai- aia aif aii ain aio aip ais ait an- ana anf ani ann ano anp ans ant aoa aof aoi aon aoo aop aos aot ap- apa apf api apn apo app aps apt as- asa asf asi asn aso asp ass ast at- ata atf ati atn ato atp ats att faa faf fai fan fao fap fas fat ffa fff ffi ffn ffo ffp ffs fft fia fif fii fin fip fis fit fna fnf fni fnn fnp fns fnt foa fof foi fon foo fop fos fot fpa fpi fpn fpo fpp fps fpt fsa fsf fsi fsn fso fsp fss fst fta ftf fti ftn fto ftp fts ftt i-f ia- iaa iaf iai ian iao iap ias iat ifa iff ifi ifn ifo ifp ifs ift iia iif iii iin iio iip iis iit in- ina inf ini inn ino inp ins int io- ioa iof ioi ion ioo iop ios iot ipa ipf ipi ipn ipo ipp ips ipt is- isa isf isi isn iso isp iss ist ita itf iti itn ito itp its itt n-i naa naf nai nan nao nap nas nat nfa nff nfi nfn nfo nfp nfs nft nia nif nii nin nio nip nis nit nna nnf nni nnn nno nnp nns nnt no- noa nof noi non noo nop nos not npa npf npi npn npo npp nps npt nsa nsf nsi nsn nso nsp nss nst nta ntf nti ntn nto ntp nts ntt o-i oaa oaf oai oan oao oap oas oat of- ofa off ofi ofn ofo ofp ofs oft oia oif oii oin oio oip ois oit on- ona onf oni onn ono onp ons ont oo- ooa oof ooi oon ooo oop oos oot op- opa opf opi opn opo opp ops opt os- osa osf osi osn oso osp oss ost ot- ota otf oti otn oto otp ots ott p-p paa paf pai pan pao pap pas pat pfa pff pfi pfn pfo pfp pfs pft pia pif pii pin pio pip pis pit pn- pna pnf pni pnn pno pnp pns pnt poa pof poi pon poo pop pos pot ppa ppf ppi ppn ppo ppp pps ppt ps- psa psf psi psn pso psp pss pst pt- pta ptf pti ptn pto ptp pts ptt saa saf sai san sao sap sas sat sfa sff sfi sfn sfo sfp sfs sft sia sif sii sin sio sip sis sit sna snf sni snn sno snp sns snt soa sof soi son soo sop sos sot spa spf spi spn spo spp sps spt ss- ssa ssf ssi ssn sso ssp sss sst sta stf sti stn sto stp sts stt taa taf tai tan tao tap tas tat tfa tff tfi tfn tfo tfp tfs tft tia tif tii tin tio tip tis tit tna tnf tni tnn tno tnp tns tnt to- toa tof toi ton too top tos tot tpa tpf tpi tpn tpo tpp tps tpt tsa tsf tsi tsn tso tsp tss tst tta ttf tti ttn tto ttp tts ttt