ram ran rao rar ras rau rca rcc rcd rce rci rcm rcn rco rcr rcs rcu rda rdc rdd rde rdi rdm rdn rdo rdr rds rdu re- rea rec red ree rei rem ren reo rer res reu ria ric rid rie rii rim rin rio rir ris rma rmc rmd rme rmi rmm rmn rmo rmr rms rna rnc rnd rni rnm rnn rno rnr rns rnu roa roc rod roe roi rom ron roo ror ros rou rra rrc rrd rri rrm rrn rrr rrs rru rsa rsc rsd rse rsi rsm rsn rso rsr rss rsu rua ruc rud rue rui rum run ruo rur rus ruu saa sac sad sae sai sam san sao sar sas sau sca scc scd sce sci scm scn sco scr scs scu sda sdc sdd sde sdi sdm sdn sdo sdr sds sdu se- sea sec sed see sei sem sen seo ser ses seu sia sic sid sie sii sim sin sio sir sis siu sma smc smd sme smi smm smn smo smr sms smu sna snc snd sne sni snm snn sno snr sns snu soa soc sod soe soi som son soo sor sos sou sr- sra src srd sre sri srm srn sro srr srs ss- ssa ssc ssd sse ssi ssm ssn sso ssr sss ssu sua suc sud sue sui sum sun suo sur sus suu ua- uaa uac uad uae uai uam uan uao uar uas uau uca ucc ucd uce uci ucm ucn uco ucr ucs ucu uda udc udd ude udi udm udn udo udr uds udu uea uec ued uee uei uem uen uer ues uia uic uid uie uii uim uin uio uir uis uiu um- uma umc umd ume umi umm umn umo umr ums umu un- una unc und une uni unm unn uno unr uns unu uoa uoc uod uoe uom uon uoo uor uos ur- ura urc urd ure uri urm urn uro urr urs uru usa usc usd use usi usm usn uso usr uss usu uua uuc uue uum uun uur uus uuu