rca rcc rcd rch rci rcl rco rcp rcr rcs rcu rda rdc rdd rdh rdi rdl rdo rdp rdr rds rdu rh- rha rhc rhd rhh rhi rhl rho rhp rhr rhs rhu ria ric rid rih rii ril rio rip rir ris rla rlc rld rlh rli rll rlo rlp rlr rls rlu roa roc rod roh roi rol roo rop ror ros rou rpa rpc rpd rph rpi rpl rpo rpp rpr rps rpu rra rrc rrd rrh rri rrl rrp rrr rrs rru rsa rsc rsd rsh rsi rsl rso rsp rsr rss rsu rua ruc rud ruh rui ruo rup rur rus ruu saa sac sad sah sai sal sao sap sar sas sau sca scc scd sch sci scl sco scp scr scs scu sda sdc sdd sdh sdi sdl sdo sdp sdr sds sdu sh- sha shc shd shh shi shl sho shp shr shs shu sia sic sid sih sii sil sio sip sir sis siu sla slc sld slh sli sll slo slp slr sls slu soa soc sod soh soi sol soo sop sor sos sou spa spc spd sph spi spl spo spp spr sps spu sr- sra src srd srh sri srl sro srp srr srs ss- ssa ssc ssd ssh ssi ssl sso ssp ssr sss ssu sua suc sud suh sui sul suo sup sur sus suu ua- uaa uac uad uah uai ual uao uap uar uas uau uca ucc ucd uch uci ucl uco ucp ucr ucs ucu uda udc udd udi udl udo udp udr uds udu uha uhc uhd uhh uhi uhl uho uhp uhr uhs uhu uia uic uid uii uil uio uip uir uis uiu ula ulc uld uli ull ulo ulp ulr uls ulu uoa uoc uod uol uoo uop uor uos up- upa upc upd uph upi upo upp upr ups upu ur- ura urc urd uri url uro urp urr urs uru usa usc usd ush usi usl uso usp usr uss usu uua uuc uur uus uuu