a-a a-i a-t aaa aaf aag aai aar aat aay af- afa aff afg afi afr aft afy ag- aga agf agg agi agr agt agy ai- aia aif aig aii air ait aiy ar- ara arf arg ari arr art ary at- ata atf atg ati atr att ay- aya ayf ayi ayr ayt faa faf fag fai far fat fay ffa fff ffg ffi ffr fft ffy fga fgf fgg fgi fgr fgt fia fif fig fii fir fit fra frf frg fri frr frt fry fta ftf ftg fti ftr ftt fty fy- fya fyi gaa gaf gag gai gar gat gay gfa gff gfi gfr gft gfy gga ggg ggi ggr ggt gia gif gig gii gir git giy gra grf grg gri grr grt gry gta gtf gtg gti gtr gtt gty gy- gya gyf gyr i-f ia- iaa iaf iag iai iar iat ifa iff ifg ifi ifr ift ify iga igf igg igi igr igt igy iia iif iii iir iit ir- ira irf irg iri irr irt iry ita itf itg iti itt ity iya iyr iyt iyy ra- raa raf rag rai rar rat ray rfa rff rfg rfi rfr rft rga rgf rgg rgi rgr rgt ria rif rig rii rir rit riy rra rrf rrg rri rrr rrt rta rtf rtg rti rtr rtt rty ry- rya ryf ryg ryr ryy taa taf tag tai tar tat tay tfa tff tfg tfi tfr tft tga tgf tgg tgi tgr tgt tgy tia tif tig tii tir tit tiy tra trf trg tri trr trt try tta ttf ttg tti ttr ttt tty tya tyf tyg tyr tyt yaa yaf yag yai yar yat yay yfa yff yfr yft yga yif yig yii yir yit yra yrf yrg yrt yta ytf ytr ytt yyf yyg yyt yyy