a-a a-i a-t aaa aaf aai aar aas aat aay af- afa aff afi afr afs aft afy ai- aia aif aii air ais ait aiy ar- ara arf ari arr ars art ary as- asa asf asi asr ass ast asy at- ata atf ati atr ats att ay- aya ayf ayi ayr ays ayt faa faf fai far fas fat fay ffa fff ffi ffr ffs fft ffy fia fif fii fir fis fit fra frf fri frr frs frt fry fsa fsf fsi fsr fss fst fta ftf fti ftr fts ftt fty fy- fya fyi i-f ia- iaa iaf iai iar ias iat ifa iff ifi ifr ifs ift ify iia iif iii iir iis iit ir- ira irf iri irr irs irt iry is- isa isf isi isr iss ist isy ita itf iti its itt ity iya iyr iys iyt iyy ra- raa raf rai rar ras rat ray rfa rff rfi rfr rfs rft ria rif rii rir ris rit riy rra rrf rri rrr rrs rrt rsa rsf rsi rsr rss rst rta rtf rti rtr rts rtt rty ry- rya ryf ryr rys ryy saa saf sai sar sas sat say sfa sff sfi sfr sfs sft sia sif sii sir sis sit sr- sra srf sri srr srs srt sry ss- ssa ssf ssi ssr sss sst sta stf sti str sts stt sty sy- sya syi syr sys syt taa taf tai tar tas tat tay tfa tff tfi tfr tfs tft tia tif tii tir tis tit tiy tra trf tri trr trs trt try tsa tsf tsi tsr tss tst tsy tta ttf tti ttr tts ttt tty tya tyf tyr tys tyt yaa yaf yai yar yas yat yay yfa yff yfr yfs yft yif yii yir yis yit yra yrf yrs yrt ysa ysi ysr yss yst ysy yta ytf ytr yts ytt yyf yys yyt yyy