a-a a-i a-t aaa aaf aai aas aat aay af- afa aff afi afs aft afy ai- aia aif aii ais ait aiy as- asa asf asi ass ast asy at- ata atf ati ats att ay- aya ayf ayi ays ayt faa faf fai fas fat fay ffa fff ffi ffs fft ffy fia fif fii fis fit fsa fsf fsi fss fst fta ftf fti fts ftt fty fy- fya fyi i-f ia- iaa iaf iai ias iat ifa iff ifi ifs ift ify iia iif iii iis iit is- isa isf isi iss ist isy ita itf iti its itt ity iya iys iyt iyy saa saf sai sas sat say sfa sff sfi sfs sft sia sif sii sis sit ss- ssa ssf ssi sss sst sta stf sti sts stt sty sy- sya syi sys syt taa taf tai tas tat tay tfa tff tfi tfs tft tia tif tii tis tit tiy tsa tsf tsi tss tst tsy tta ttf tti tts ttt tty tya tyf tys tyt yaa yaf yai yas yat yay yfa yff yfs yft yif yii yis yit ysa ysi yss yst ysy yta ytf yts ytt yyf yys yyt yyy