rai ram ran rao rap rar ras rau rca rcc rcd rci rcm rcn rco rcp rcr rcs rcu rda rdc rdd rdi rdm rdn rdo rdp rdr rds rdu ria ric rid rii rim rin rio rip rir ris rma rmc rmd rmi rmm rmn rmo rmp rmr rms rna rnc rnd rni rnm rnn rno rnp rnr rns rnu roa roc rod roi rom ron roo rop ror ros rou rpa rpc rpd rpi rpm rpn rpo rpp rpr rps rpu rra rrc rrd rri rrm rrn rrp rrr rrs rru rsa rsc rsd rsi rsm rsn rso rsp rsr rss rsu rua ruc rud rui rum run ruo rup rur rus ruu saa sac sad sai sam san sao sap sar sas sau sca scc scd sci scm scn sco scp scr scs scu sda sdc sdd sdi sdm sdn sdo sdp sdr sds sdu sia sic sid sii sim sin sio sip sir sis siu sma smc smd smi smm smn smo smp smr sms smu sna snc snd sni snm snn sno snp snr sns snu soa soc sod soi som son soo sop sor sos sou spa spc spd spi spm spn spo spp spr sps spu sr- sra src srd sri srm srn sro srp srr srs ss- ssa ssc ssd ssi ssm ssn sso ssp ssr sss ssu sua suc sud sui sum sun suo sup sur sus suu ua- uaa uac uad uai uam uan uao uap uar uas uau uca ucc ucd uci ucm ucn uco ucp ucr ucs ucu uda udc udd udi udm udn udo udp udr uds udu uia uic uid uii uim uin uio uip uir uis uiu um- uma umc umd umi umm umn umo ump umr ums umu un- una unc und uni unm unn uno unp unr uns unu uoa uoc uod uom uon uoo uop uor uos up- upa upc upd upi upm upn upo upp upr ups upu ur- ura urc urd uri urm urn uro urp urr urs uru usa usc usd usi usm usn uso usp usr uss usu uua uuc uum uun uur uus uuu