odbo odci oddd oddi odds odic odio odir odis odoo odor odos odrl odso ofcl ofcr ofdr off- offc offo offr offs ofid ofor oici oido oids oiii oils oios oisc oisd olbo olcc oldb olds olfs olib olic olid olio olis olli ollo olof olor olos olsi oobi oocr oodi ooff oofs ooid oold oolo oooo ooos oord oosi orbb orbi orbo orbs orci orco orcs ordo ords orff orfi orfs ori- oric orid orif oril orio oris orlo oro- orof oror oros orri orro orrs orsi orso oscc osci oscl osco osdi osii osis osli oslo osoi osoo osor osos osrd osro ossb ossd ossi osso rbbb rbbr rbbs rbcl rbds rbis rbsd rbsl rbss rcbc rcbo rccb rccc rccs rcdc rcds rcfc rcic rcid rcis rcls rcos rcrd rcsc rcsd rcsi rcsl rcss rdio rdoc rdos rdso rfdi rfds rffc rffl rfic rfid rib- ribo ribs ricc rico rics ridc ridd ridi rido rids riff rifs riif riis rill rilo riol rios riri rirs risc risd risi riso riss rlcs rlds rlif rlls rob- robb robi robo robs rocc roco rocs rodd rodi rodo rods rofc roff rofl rofo roid roif roil roio roir rois rold rolf roll rolo roob rood roof rooi rool roor roos rorc rori roro rosc rosi roso ross rrfc rrif rrrr rsbi rscc rscs rsdd rsdl rsds rsfc rsid rsis rslc rsos rssl s-ib s-ic s-ii s-os sbbs sbcc sbcs sbds sbfc sbic sbor sbsd sbsi scbi sccc sccl sccs scdc scdf scds scfc scfi sci- scic scid scif scil scio scir scis scl- sclc scls scob scol scoo scor scr- scrc scri scrs scsc scsd scsi scsl scso scsr sdcc sdco sddc sdds sdfc sdib sdic sdif sdio sdlc sdls sdrc sdrs sdsc sdsf sdsl sdss sfbc sfcc sfco sfcs sfdc sffc sfio sflc sfls sfor sfos sfrc sfro sfss sibc sibi sibo sibs sicc sici sico sics sidd sidi sido sidr sids siff sifl sifo sifr sil- silc sild silf sili sill silo sils siod siol sior sios sirc sirf siri siro sirr sirs sisc sisd sisi siss sl-i slcc slcd slds slib slic slid slir slob sloc slod sloo slos slrc slrs slsc sobo sobr sobs soci socl soco socr socs sodd sodo sods sofi sofo soic soif soil soir sois sold solf soli soll solo solr sols sood soof sool soor soos sorb sord sori soro sorr sors sosi soso soss srbc srcc srfc srfi srib sris sros srsd ssbr sscc ssci sscs ssdc ssdd ssdf ssfc ssfl ssid ssis sslc ssoc ssrc ssri ssrl ssrs sssb sssc sssf sssi ssss