rml rmm rmo rmp rmr rms rob roc roe roi rol rom roo rop ror ros roy rpb rpc rpe rpi rpl rpm rpo rpp rpr rps rrb rrc rri rrl rrm rrp rrr rrs rsb rsc rse rsi rsl rsm rso rsp rsr rss ry- ryc rye rym ryo ryr rys ryy sbb sbc sbe sbi sbl sbm sbo sbp sbr sbs sby scb scc sce sci scl scm sco scp scr scs se- seb sec see sei sel sem seo sep ser ses sey sib sic sie sii sil sim sio sip sir sis slb slc sle sli sll slm slo slp slr sls sly smb smc sme smi sml smm smo smp smr sms smy sob soc soe soi sol som soo sop sor sos soy spb spc spe spi spl spm spo spp spr sps spy sr- srb src sre sri srl srm sro srp srr srs sry ss- ssb ssc sse ssi ssl ssm sso ssp ssr sss sy- syb syc sye syi syl sym syp syr sys ybc ybe ybi ybl ybm ybp ybr ybs yby ycc yce yci ycl yco ycp ycs ycy yeb yec yee yei yel yem yeo yep yer yes yey yie yii yim yio yip yir yis ylc yle yli yll ylm ylr yls yly ymc yme ymi yml ymm ymo yms yob yoc yoe yoi yol yom yoo yop yor yos yoy ypl ypo yps yrc yre yro yrp yrs ysb ysc yse ysi ysl ysm yso ysp ysr yss ysy yyb yyc yye yys yyy