rgn rgr rgs ria ric rid rie rif rig rii rin rir ris riy rna rnc rnd rng rni rnn rnr rns rny rra rrc rrd rrf rrg rri rrn rrr rrs rsa rsc rsd rse rsf rsg rsi rsn rsr rss ry- rya ryc ryd rye ryf ryg ryn ryr rys ryy saa sac sad sae saf sag sai san sar sas say sca scc scd sce scf scg sci scn scr scs sda sdc sdd sde sdf sdg sdi sdn sdr sds sdy se- sea sec sed see sef seg sei sen ser ses sey sfa sfc sfd sfe sff sfg sfi sfn sfr sfs sga sgc sgd sge sgf sgg sgi sgn sgr sgs sia sic sid sie sif sig sii sin sir sis sna snc snd sne snf sng sni snn snr sns sny sr- sra src srd sre srf srg sri srn srr srs sry ss- ssa ssc ssd sse ssf ssg ssi ssn ssr sss sy- sya syc syd sye syg syi syn syr sys yaa yac yad yae yaf yag yai yan yar yas yay yca ycc ycd yce ycf yci ycs ycy yda yde ydg ydn yds ydy yea yec yed yee yef yeg yei yen yer yes yey yfa yfc yfd yfe yff yfr yfs yga ygc yid yie yif yig yii yin yir yis yna ynd yne yng ynn yns yny yra yrc yre yrf yrg yrn yrs ysa ysc yse ysg ysi ysr yss ysy yyc yye yyf yyg yys yyy