rcr rcs rcu rda rdc rdd rde rdh rdl rdo rdp rdr rds rdu re- rea rec red ree reh rel reo rep rer res reu rh- rha rhc rhd rhe rhh rhl rho rhp rhr rhs rhu rla rlc rld rle rlh rll rlo rlp rlr rls rlu roa roc rod roe roh rol roo rop ror ros rou rpa rpc rpd rpe rph rpl rpo rpp rpr rps rpu rra rrc rrd rrh rrl rrp rrr rrs rru rsa rsc rsd rse rsh rsl rso rsp rsr rss rsu rua ruc rud rue ruh ruo rup rur rus ruu saa sac sad sae sah sal sao sap sar sas sau sca scc scd sce sch scl sco scp scr scs scu sda sdc sdd sde sdh sdl sdo sdp sdr sds sdu se- sea sec sed see seh sel seo sep ser ses seu sh- sha shc shd she shh shl sho shp shr shs shu sla slc sld sle slh sll slo slp slr sls slu soa soc sod soe soh sol soo sop sor sos sou spa spc spd spe sph spl spo spp spr sps spu sr- sra src srd sre srh srl sro srp srr srs ss- ssa ssc ssd sse ssh ssl sso ssp ssr sss ssu sua suc sud sue suh sul suo sup sur sus suu ua- uaa uac uad uae uah ual uao uap uar uas uau uca ucc ucd uce uch ucl uco ucp ucr ucs ucu uda udc udd ude udl udo udp udr uds udu uea uec ued uee ueh uel uep uer ues uha uhc uhd uhe uhh uhl uho uhp uhr uhs uhu ula ulc uld ule ull ulo ulp ulr uls ulu uoa uoc uod uoe uol uoo uop uor uos up- upa upc upd upe uph upo upp upr ups upu ur- ura urc urd ure url uro urp urr urs uru usa usc usd use ush usl uso usp usr uss usu uua uuc uue uur uus uuu