rcp rcr rcs rcu rda rdc rdd rde rdg rdh rdi rdp rdr rds rdu re- rea rec red ree reg reh rei rep rer res reu rga rgc rgd rge rgg rgh rgi rgp rgr rgs rh- rha rhc rhd rhe rhg rhh rhi rhp rhr rhs rhu ria ric rid rie rig rih rii rip rir ris rpa rpc rpd rpe rpg rph rpi rpp rpr rps rpu rra rrc rrd rrg rrh rri rrp rrr rrs rru rsa rsc rsd rse rsg rsh rsi rsp rsr rss rsu rua ruc rud rue rug ruh rui rup rur rus ruu saa sac sad sae sag sah sai sap sar sas sau sca scc scd sce scg sch sci scp scr scs scu sda sdc sdd sde sdg sdh sdi sdp sdr sds sdu se- sea sec sed see seg seh sei sep ser ses seu sga sgc sgd sge sgg sgh sgi sgp sgr sgs sgu sh- sha shc shd she shg shh shi shp shr shs shu sia sic sid sie sig sih sii sip sir sis siu spa spc spd spe spg sph spi spp spr sps spu sr- sra src srd sre srg srh sri srp srr srs ss- ssa ssc ssd sse ssg ssh ssi ssp ssr sss ssu sua suc sud sue sug suh sui sup sur sus suu ua- uaa uac uad uae uag uah uai uap uar uas uau uca ucc ucd uce ucg uch uci ucp ucr ucs ucu uda udc udd ude udg udi udp udr uds udu uea uec ued uee ueg ueh uei uep uer ues uga ugc uge ugg ugh ugi ugp ugr ugs ugu uha uhc uhd uhe uhh uhi uhp uhr uhs uhu uia uic uid uie uig uii uip uir uis uiu up- upa upc upd upe upg uph upi upp upr ups upu ur- ura urc urd ure urg uri urp urr urs uru usa usc usd use usg ush usi usp usr uss usu uua uuc uue uug uur uus uuu