ron roo rop ror ros roy rpd rpe rpg rpi rpl rpn rpo rpp rpr rps rrd rrg rri rrl rrn rrp rrr rrs rsd rse rsg rsi rsl rsn rso rsp rsr rss ry- ryd rye ryg ryn ryo ryr rys ryy sdd sde sdg sdi sdl sdn sdo sdp sdr sds sdy se- sed see seg sei sel sen seo sep ser ses sey sgd sge sgg sgi sgl sgn sgo sgp sgr sgs sid sie sig sii sil sin sio sip sir sis sld sle slg sli sll sln slo slp slr sls sly snd sne sng sni snl snn sno snp snr sns sny sod soe sog soi sol son soo sop sor sos soy spd spe spg spi spl spn spo spp spr sps spy sr- srd sre srg sri srl srn sro srp srr srs sry ss- ssd sse ssg ssi ssl ssn sso ssp ssr sss sy- syd sye syg syi syl syn syp syr sys yde ydg ydl ydn ydo yds ydy yed yee yeg yei yel yen yeo yep yer yes yey ygl ygo yid yie yig yii yin yio yip yir yis yld yle ylg yli yll ylr yls yly ynd yne yng ynn ynp yns yny yod yoe yog yoi yol yon yoo yop yor yos yoy ypd ypg ypl ypo yps yre yrg yrn yro yrp yrs yse ysg ysi ysl yso ysp ysr yss ysy yye yyg yys yyy