rcc rcg rci rcl rcm rcn rco rcr rcs rcu rga rgc rgg rgi rgn rgo rgr rgs ria ric rig rii ril rim rin rio rir ris rla rlc rlg rli rll rlm rln rlo rlr rls rlu rma rmc rmg rmi rml rmm rmn rmo rmr rms rna rnc rng rni rnm rnn rno rnr rns rnu roa roc rog roi rol rom ron roo ror ros rou rra rrc rrg rri rrl rrm rrn rrr rrs rru rsa rsc rsg rsi rsl rsm rsn rso rsr rss rsu rua ruc rug rui rum run ruo rur rus ruu saa sac sag sai sal sam san sao sar sas sau sca scc scg sci scl scm scn sco scr scs scu sga sgc sgg sgi sgl sgm sgn sgo sgr sgs sgu sia sic sig sii sil sim sin sio sir sis siu sla slc slg sli sll slm sln slo slr sls slu sma smc smg smi sml smm smn smo smr sms smu sna snc sng sni snl snm snn sno snr sns snu soa soc sog soi sol som son soo sor sos sou sr- sra src srg sri srl srm srn sro srr srs ss- ssa ssc ssg ssi ssl ssm ssn sso ssr sss ssu sua suc sug sui sul sum sun suo sur sus suu ua- uaa uac uag uai ual uam uan uao uar uas uau uca ucc ucg uci ucl ucm ucn uco ucr ucs ucu uga ugc ugg ugi ugl ugm ugn ugo ugr ugs ugu uia uic uig uii uil uim uin uio uir uis uiu ula ulc ulg uli ull ulm uln ulo ulr uls ulu um- uma umc umg umi uml umm umn umo umr ums umu un- una unc ung uni unl unm unn uno unr uns unu uoa uoc uog uol uom uon uoo uor uos ur- ura urc urg uri url urm urn uro urr urs uru usa usc usg usi usl usm usn uso usr uss usu uua uuc uug uum uun uur uus uuu