rise risi rism riss rmbs rmsc rnbr rncs rnie rnin rrmc rrrr rsbi rscc rscn rscs rsee rsis rsme rsnn rsnr rsre s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbmc sbse sbsi scbi sccc scce sccm sccs scec scee scer sci- scic scie scim scin scir scis scmc scmm scms scnr scr- scrc scre scri scrn scrs scsc scsi scsn scsr se-c se-e se-i se-n se-s sebe sebi sebs sec- secc sece secn secr secs seeb seec seem seen seer sees seie seii seim sein seir seis semc seme semi semn sems sene seni senn senr sens serb serc sere seri serm sern serr sers sesc sese sesi sess sibc sibe sibi sibs sicc sice sici sicm sics siec sien sier sies siim sime simi simm sims sine sini sinn sins sirc sire siri sirr sirs sisc sise sisi siss smbc smbe smcc smeb smec smee smei smen smic smie smin smis smnc smsc smsn smss sncc sneb snee sner snes snib snie snir snns snrs srbc srcc sreb srec srem sres srib srim sris srmc srni srnn ssbn ssbr sscc ssce ssci sscs ssec ssee ssem sses ssin ssis ssmc ssns ssrc ssri ssrm ssrs sssb sssc sssi sssm ssss