a-a a-t aaa aaf aan aas aat aay af- afa aff afn afs aft afy an- ana anf ann ans ant any as- asa asf asn ass ast asy at- ata atf atn ats att ay- aya ayf ayn ays ayt faa faf fan fas fat fay ffa fff ffn ffs fft ffy fna fnf fnn fns fnt fsa fsf fsn fss fst fta ftf ftn fts ftt fty fy- fya fyn naa naf nan nas nat nay nfa nff nfn nfs nft nna nnf nnn nns nnt nsa nsf nsn nss nst nsy nta ntf ntn nts ntt nya nyf nyn nys nyt nyy saa saf san sas sat say sfa sff sfn sfs sft sna snf snn sns snt sny ss- ssa ssf ssn sss sst sta stf stn sts stt sty sy- sya syn sys syt taa taf tan tas tat tay tfa tff tfn tfs tft tna tnf tnn tns tnt tsa tsf tsn tss tst tsy tta ttf ttn tts ttt tty tya tyf tyn tys tyt yaa yaf yan yas yat yay yfa yff yfs yft yna ynn yns yny ysa yss yst ysy yta ytf ytn yts ytt yyf yys yyt yyy