oreo orer ores ori- oric orie orin orio oris ornc orne orni orno orns oro- oroe oron oror oros orri orro orrs orse orsi orso osbe oscc osce osci osco osec osee osei osen oser oses osie osii osin osis osno osnr osoi osoo osor osos osro ossb osse ossi osso rbbb rbbr rbbs rbis rbss rcbc rcbo rccb rccc rccs rcic rcis rcnr rcon rcos rcsc rcsi rcss rebb rebe rebo rebs recc rece reci recr recs reeb reen rees reii rein reir reis rene reni renn reno rens reos rere reri rero rers rese resi resn reso ress rib- ribe ribo ribs ricc rice rico rics rien rier ries riin riis rine rinn rino rion rios rire riri rirs risc rise risi riso riss rnbr rnco rncs rnie rnin rob- robb robe robi robo robs rocc roce roco rocs roen roer roes roin roio roir rois ronc rone roni rono rons roob rooi roon roor roos rorc rore rori roro rosc rose rosi roso ross rrrr rsbi rscc rscn rscs rsee rsis rsnn rsno rsnr rsos rsre s-ib s-ic s-ii s-os sbbs sbcc sbcs sber sbic sbor sbse sbsi scbi sccc scce sccs scec scee scer sci- scic scie scin scio scir scis scnr scob scon scoo scor scr- scrc scre scri scrn scrs scsc scsi scsn scso scsr se-c se-e se-i se-n se-o se-s sebe sebi sebo sebs sec- secc sece secn seco secr secs seeb seec seen seer sees seie seii sein seir seis sene seni senn seno senr sens seoc seoi seon serb serc sere seri sern sero serr sers sesc sese sesi seso sess sibc sibe sibi sibo sibs sicc sice sici sico sics siec sien sier sies sine sini sinn sino sins sioe sion sior sios sirc sire siri siro sirr sirs sisc sise sisi siss sncc snco sneb snee sner snes snib snie snir snns snob snoc snoo snor snos snrs sobe sobo sobr sobs soce soci soco socr socs soec soen soeo soes soic soie soin soir sois son- sone soni sono sons soon soor soos sorb sore sori sorn soro sorr sors sose sosi soso soss srbc srcc sreb srec sreo sres srib sris srni srnn srno sros ssbn ssbr sscc ssce ssci sscs ssec ssee sses ssin ssis ssns ssoc ssrc ssri ssrs sssb sssc sssi ssss