rge rgf rgg rgi rgo rgp rgr rgs ric rie rif rig rii ril rio rip rir ris rlc rle rlf rlg rli rll rlo rlp rlr rls rlu roc roe rof rog roi rol roo rop ror ros rou rpc rpe rpf rpg rpi rpl rpo rpp rpr rps rpu rrc rrf rrg rri rrl rrp rrr rrs rru rsc rse rsf rsg rsi rsl rso rsp rsr rss rsu ruc rue ruf rug rui ruo rup rur rus ruu scc sce scf scg sci scl sco scp scr scs scu se- sec see sef seg sei sel seo sep ser ses seu sfc sfe sff sfg sfi sfl sfo sfp sfr sfs sfu sgc sge sgf sgg sgi sgl sgo sgp sgr sgs sgu sic sie sif sig sii sil sio sip sir sis siu slc sle slf slg sli sll slo slp slr sls slu soc soe sof sog soi sol soo sop sor sos sou spc spe spf spg spi spl spo spp spr sps spu sr- src sre srf srg sri srl sro srp srr srs ss- ssc sse ssf ssg ssi ssl sso ssp ssr sss ssu suc sue suf sug sui sul suo sup sur sus suu ucc uce ucf ucg uci ucl uco ucp ucr ucs ucu uec uee uef ueg uei uel uep uer ues ufc ufe uff ufg ufi ufl ufo ufp ufr ufs ufu ugc uge ugf ugg ugi ugl ugo ugp ugr ugs ugu uic uie uif uig uii uil uio uip uir uis uiu ulc ule ulf ulg uli ull ulo ulp ulr uls ulu uoc uoe uog uol uoo uop uor uos up- upc upe upf upg upi upo upp upr ups upu ur- urc ure urf urg uri url uro urp urr urs uru usc use usf usg usi usl uso usp usr uss usu uuc uue uug uur uus uuu