rari raro rars rasa rasc rasi rasm raso rasp rass rbbb rbbr rbbs rbis rbms rbsp rbss rcac rcas rcbc rcbo rccb rccc rccs rcic rcis rcmp rcms rcos rcpi rcpo rcps rcsa rcsc rcsi rcss riaa riab riai riam rias rib- riba ribo ribs rica ricc rico rics riia riis rima rimi rimm rimo rims riom rios ripa ripi ripp ripr rips riri rirs risa risc risi rism riso risp riss rmas rmbs rmrp rmsc rmsp roab roam roap roar roas rob- roba robb robi robo robs roca rocc roco rocs roia roio roir rois roma romb romi romm romo romp roms roob rooi room roop roor roos ropa ropo rops rora rorc rori roro rosa rosc rosi roso rosp ross rpca rpcs rpii rpms rpob rpos rpps rras rrmc rrmp rrrr rrsp rsaa rsai rsbi rscc rscs rsis rsma rsos rspb rspo rsps rssa s-ib s-ic s-ii s-os sa-c saab saac saam saap saar saas saba sabb sabc sabi sabo sabr sabs saca sacc saci saco sacr sacs saia saic saim saip sair sais sam- sama samc sami samm samo samp sams saoi saor saos sapa sapi sapo sapp saps sara sarc sari sarm saro sarp sarr sars sasa sasc sasi sasm saso sass sbaa sbac sbai sbar sbas sbbs sbca sbcc sbcs sbia sbic sbma sbmc sbor sbsa sbsi sbsp scaa scab scac scai scam scap scar scas scba scbi sccc sccm sccp sccs sci- scia scic scim scio scip scir scis scma scmc scmm scmo scmp scms scob scom scoo scop scor scpa scpb scpi scpm scpo scps scr- scra scrc scri scrs scsa scsc scsi scso scsr siaa siab siac siai siam sias siba sibc sibi sibo sibs sica sicc sici sicm sico sicp sics siim sima simi simm simo simp sims siop sior sios sipa sipc sipi sipo sipp sips sira sirc siri siro sirp sirr sirs sisa sisc sisi siss smaa smac smai smap smas smba smbc smcc smcp smia smic smis smoc smos smpa smps smsc smsp smss soam soap soar soas soba sobo sobp sobr sobs soca soci socm soco socr socs soia soic soim soir sois soma somb somi somm somo soom soop soor soos sopa sopi sopo sopp sops sora sorb sori sorm soro sorr sors sosa sosi soso soss sp-a spac spam spap spar spas spca spcc spco spcs spia spib spic spim spio spip spir spis spma spmi spms spoc spoo spop spor spos spps spri sprm spro sprs spsa spso spsp spss sram sras srbc srcc srib srim sris srmc sros srpc srps srsp ssaa ssab ssac ssam ssao ssap ssas ssbr ssca sscc ssci sscp sscs ssis ssmc ssoc ssop sspa sspc sspo ssps ssra ssrc ssri ssrm ssrs sssa sssb sssc sssi sssm ssss