rar ras rau rca rcc rce rcf rci rcm rco rcp rcr rcs rcu re- rea rec ree ref rei rem reo rep rer res reu rfa rfc rfe rff rfi rfm rfo rfp rfr rfs rfu ria ric rie rif rii rim rio rip rir ris rma rmc rme rmf rmi rmm rmo rmp rmr rms roa roc roe rof roi rom roo rop ror ros rou rpa rpc rpe rpf rpi rpm rpo rpp rpr rps rpu rra rrc rrf rri rrm rrp rrr rrs rru rsa rsc rse rsf rsi rsm rso rsp rsr rss rsu rua ruc rue ruf rui rum ruo rup rur rus ruu saa sac sae saf sai sam sao sap sar sas sau sca scc sce scf sci scm sco scp scr scs scu se- sea sec see sef sei sem seo sep ser ses seu sfa sfc sfe sff sfi sfm sfo sfp sfr sfs sfu sia sic sie sif sii sim sio sip sir sis siu sma smc sme smf smi smm smo smp smr sms smu soa soc soe sof soi som soo sop sor sos sou spa spc spe spf spi spm spo spp spr sps spu sr- sra src sre srf sri srm sro srp srr srs ss- ssa ssc sse ssf ssi ssm sso ssp ssr sss ssu sua suc sue suf sui sum suo sup sur sus suu ua- uaa uac uae uaf uai uam uao uap uar uas uau uca ucc uce ucf uci ucm uco ucp ucr ucs ucu uea uec uee uef uei uem uep uer ues ufa ufc ufe uff ufi ufm ufo ufp ufr ufs ufu uia uic uie uif uii uim uio uip uir uis uiu um- uma umc ume umf umi umm umo ump umr ums umu uoa uoc uoe uom uoo uop uor uos up- upa upc upe upf upi upm upo upp upr ups upu ur- ura urc ure urf uri urm uro urp urr urs uru usa usc use usf usi usm uso usp usr uss usu uua uuc uue uum uur uus uuu