rol rom ron roo rop ror ros roy rpc rpe rpg rpl rpm rpn rpo rpp rpr rps rrc rrg rrl rrm rrn rrp rrr rrs rsc rse rsg rsl rsm rsn rso rsp rsr rss ry- ryc rye ryg rym ryn ryo ryr rys ryy scc sce scg scl scm scn sco scp scr scs se- sec see seg sel sem sen seo sep ser ses sey sgc sge sgg sgl sgm sgn sgo sgp sgr sgs slc sle slg sll slm sln slo slp slr sls sly smc sme smg sml smm smn smo smp smr sms smy snc sne sng snl snm snn sno snp snr sns sny soc soe sog sol som son soo sop sor sos soy spc spe spg spl spm spn spo spp spr sps spy sr- src sre srg srl srm srn sro srp srr srs sry ss- ssc sse ssg ssl ssm ssn sso ssp ssr sss sy- syc sye syg syl sym syn syp syr sys ycc yce ycl yco ycp ycs ycy yec yee yeg yel yem yen yeo yep yer yes yey ygc ygl ygm ygo ylc yle ylg yll ylm ylr yls yly ymc yme ymg yml ymm ymo yms yne yng ynn ynp yns yny yoc yoe yog yol yom yon yoo yop yor yos yoy ypg ypl ypo yps yrc yre yrg yrn yro yrp yrs ysc yse ysg ysl ysm yso ysp ysr yss ysy yyc yye yyg yys yyy