rgc rge rgg rgi rgn rgo rgp rgr rgs ric rie rig rii ril rin rio rip rir ris rlc rle rlg rli rll rln rlo rlp rlr rls rlu rnc rng rni rnn rno rnp rnr rns rnu roc roe rog roi rol ron roo rop ror ros rou rpc rpe rpg rpi rpl rpn rpo rpp rpr rps rpu rrc rrg rri rrl rrn rrp rrr rrs rru rsc rse rsg rsi rsl rsn rso rsp rsr rss rsu ruc rue rug rui run ruo rup rur rus ruu scc sce scg sci scl scn sco scp scr scs scu se- sec see seg sei sel sen seo sep ser ses seu sgc sge sgg sgi sgl sgn sgo sgp sgr sgs sgu sic sie sig sii sil sin sio sip sir sis siu slc sle slg sli sll sln slo slp slr sls slu snc sne sng sni snl snn sno snp snr sns snu soc soe sog soi sol son soo sop sor sos sou spc spe spg spi spl spn spo spp spr sps spu sr- src sre srg sri srl srn sro srp srr srs ss- ssc sse ssg ssi ssl ssn sso ssp ssr sss ssu suc sue sug sui sul sun suo sup sur sus suu ucc uce ucg uci ucl ucn uco ucp ucr ucs ucu uec uee ueg uei uel uen uep uer ues ugc uge ugg ugi ugl ugn ugo ugp ugr ugs ugu uic uie uig uii uil uin uio uip uir uis uiu ulc ule ulg uli ull uln ulo ulp ulr uls ulu un- unc une ung uni unl unn uno unp unr uns unu uoc uoe uog uol uon uoo uop uor uos up- upc upe upg upi upn upo upp upr ups upu ur- urc ure urg uri url urn uro urp urr urs uru usc use usg usi usl usn uso usp usr uss usu uuc uue uug uun uur uus uuu