rof rog rol ron roo rop ror ros roy rpa rpe rpf rpg rpl rpn rpo rpp rpr rps rra rrf rrg rrl rrn rrp rrr rrs rsa rse rsf rsg rsl rsn rso rsp rsr rss ry- rya rye ryf ryg ryn ryo ryr rys ryy saa sae saf sag sal san sao sap sar sas say se- sea see sef seg sel sen seo sep ser ses sey sfa sfe sff sfg sfl sfn sfo sfp sfr sfs sga sge sgf sgg sgl sgn sgo sgp sgr sgs sla sle slf slg sll sln slo slp slr sls sly sna sne snf sng snl snn sno snp snr sns sny soa soe sof sog sol son soo sop sor sos soy spa spe spf spg spl spn spo spp spr sps spy sr- sra sre srf srg srl srn sro srp srr srs sry ss- ssa sse ssf ssg ssl ssn sso ssp ssr sss sy- sya sye syg syl syn syp syr sys yaa yae yaf yag yal yan yao yap yar yas yay yea yee yef yeg yel yen yeo yep yer yes yey yfa yfe yff yfr yfs yga ygl ygo yle ylg yll ylr yls yly yna yne yng ynn ynp yns yny yoe yof yog yol yon yoo yop yor yos yoy ypa ypf ypg ypl ypo yps yra yre yrf yrg yrn yro yrp yrs ysa yse ysg ysl yso ysp ysr yss ysy yye yyf yyg yys yyy