rcg rci rcm rcn rco rcr rcs rcu re- rea rec ree reg rei rem ren reo rer res reu rga rgc rge rgg rgi rgn rgo rgr rgs ria ric rie rig rii rim rin rio rir ris rma rmc rme rmg rmi rmm rmn rmo rmr rms rna rnc rng rni rnm rnn rno rnr rns rnu roa roc roe rog roi rom ron roo ror ros rou rra rrc rrg rri rrm rrn rrr rrs rru rsa rsc rse rsg rsi rsm rsn rso rsr rss rsu rua ruc rue rug rui rum run ruo rur rus ruu saa sac sae sag sai sam san sao sar sas sau sca scc sce scg sci scm scn sco scr scs scu se- sea sec see seg sei sem sen seo ser ses seu sga sgc sge sgg sgi sgm sgn sgo sgr sgs sgu sia sic sie sig sii sim sin sio sir sis siu sma smc sme smg smi smm smn smo smr sms smu sna snc sne sng sni snm snn sno snr sns snu soa soc soe sog soi som son soo sor sos sou sr- sra src sre srg sri srm srn sro srr srs ss- ssa ssc sse ssg ssi ssm ssn sso ssr sss ssu sua suc sue sug sui sum sun suo sur sus suu ua- uaa uac uae uag uai uam uan uao uar uas uau uca ucc uce ucg uci ucm ucn uco ucr ucs ucu uea uec uee ueg uei uem uen uer ues uga ugc uge ugg ugi ugm ugn ugo ugr ugs ugu uia uic uie uig uii uim uin uio uir uis uiu um- uma umc ume umg umi umm umn umo umr ums umu un- una unc une ung uni unm unn uno unr uns unu uoa uoc uoe uog uom uon uoo uor uos ur- ura urc ure urg uri urm urn uro urr urs uru usa usc use usg usi usm usn uso usr uss usu uua uuc uue uug uum uun uur uus uuu