osoi osoo osor osos osrd osro ossb ossd osse ossi osso rbbb rbbr rbbs rbds rbis rbsd rbss rcbc rcbo rccb rccc rccs rcdc rcde rcds rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rder rdio rdoc rdos rdso rebb rebe rebo rebs recc recd rece reci recr recs redc redd rede redi redo redr reds reeb reed rees reid reii reir reis reod reos rerd rere reri rero rers rese resi reso ress rib- ribe ribo ribs ricc rice rico rics ridc ridd ride ridi rido rids ried rier ries riis rios rire riri rirs risc risd rise risi riso riss rob- robb robe robi robo robs rocc roce roco rocs rodd rode rodi rodo rods roed roer roes roid roio roir rois roob rood rooi roor roos rorc rore rori roro rosc rose rosi roso ross rred rrrr rsbi rscc rscs rsdd rsds rsee rsid rsis rsos rsre s-ib s-ic s-ii s-os sbbs sbcc sbcs sbds sber sbic sbor sbsd sbse sbsi scbi sccc scce sccs scdc scds scec scee scer sci- scic scid scie scio scir scis scob scoo scor scr- scrc scre scri scrs scsc scsd scsi scso scsr sdcc sdco sddc sdds sder sdes sdib sdic sdio sdrc sdrs sdsc sdss se-c se-d se-e se-i se-o se-s sebe sebi sebo sebs sec- secc secd sece seco secr secs sede sedo seds seeb seec seed seer sees seid seie seii seir seis seoc seod seoi serb serc serd sere seri sero serr sers sesc sese sesi seso sess sibc sibe sibi sibo sibs sicc sice sici sico sics sidd side sidi sido sidr sids siec sied sier sies siod sioe sior sios sirc sire siri siro sirr sirs sisc sisd sise sisi siss sobe sobo sobr sobs soce soci soco socr socs sodd sode sodo sods soec soeo soes soic soie soir sois sood soor soos sorb sord sore sori soro sorr sors sose sosi soso soss srbc srcc srde sreb srec sreo sres srib sris sros srsd ssbr sscc ssce ssci sscs ssdc ssdd ssec ssee sses ssid ssis ssoc ssrc ssri ssrs sssb sssc sssi ssss