rcn rco rcp rcr rcs rcu rda rdc rdd rdh rdi rdn rdo rdp rdr rds rdu rh- rha rhc rhd rhh rhi rhn rho rhp rhr rhs rhu ria ric rid rih rii rin rio rip rir ris rna rnc rnd rnh rni rnn rno rnp rnr rns rnu roa roc rod roh roi ron roo rop ror ros rou rpa rpc rpd rph rpi rpn rpo rpp rpr rps rpu rra rrc rrd rrh rri rrn rrp rrr rrs rru rsa rsc rsd rsh rsi rsn rso rsp rsr rss rsu rua ruc rud ruh rui run ruo rup rur rus ruu saa sac sad sah sai san sao sap sar sas sau sca scc scd sch sci scn sco scp scr scs scu sda sdc sdd sdh sdi sdn sdo sdp sdr sds sdu sh- sha shc shd shh shi shn sho shp shr shs shu sia sic sid sih sii sin sio sip sir sis siu sna snc snd sni snn sno snp snr sns snu soa soc sod soh soi son soo sop sor sos sou spa spc spd sph spi spn spo spp spr sps spu sr- sra src srd srh sri srn sro srp srr srs ss- ssa ssc ssd ssh ssi ssn sso ssp ssr sss ssu sua suc sud suh sui sun suo sup sur sus suu ua- uaa uac uad uah uai uan uao uap uar uas uau uca ucc ucd uch uci ucn uco ucp ucr ucs ucu uda udc udd udi udn udo udp udr uds udu uha uhc uhd uhh uhi uho uhp uhr uhs uhu uia uic uid uii uin uio uip uir uis uiu un- una unc und unh uni unn uno unp unr uns unu uoa uoc uod uon uoo uop uor uos up- upa upc upd uph upi upn upo upp upr ups upu ur- ura urc urd uri urn uro urp urr urs uru usa usc usd ush usi usn uso usp usr uss usu uua uuc uun uur uus uuu