rccc rccs rcep rchs rcic rcis rcos rcpi rcpo rcps rcsc rcsi rcss recc rece rech reci recp recr recs reep rees rehe rehi rehs reii reir reis reop reos repe repi repo repp repr reps rere reri rero rers rese resh resi reso resp ress rhce rhcp rhee rheo rhes rhhs rhio rhoc rhoh rhos ricc rice rich rico rics riep rier ries riho rihs riis rios ripe ripi ripp ripr rips rire riri rirs risc rise rish risi riso risp riss rocc roce roch roco rocs roer roes rohe rohr rohs roio roir rois rooi roop roor roos rope ropo rops rorc rore rori roro rosc rose rosh rosi roso rosp ross rpcs rpho rphs rpii rpoe rpos rpps rrhs rrrr rrsp rscc rsch rscs rsee rshs rsis rsos rspo rsps rsre s-ic s-ii s-os sccc scce sccp sccs scec scee scep scer sch- sche schh schi scho schr schs sci- scic scie scio scip scir scis scoh scoo scop scor scpe scpi scpo scps scr- scrc scre scri scrs scsc scsh scsi scso scsr se-c se-e se-h se-i se-o se-s sec- secc sece sech seco secr secs seec seeh seep seer sees sehe sehr sehs seie seih seii seip seir seis seoc seoi seop sepe sepi sepo sepp sepr seps serc sere seri sero serp serr sers sesc sese sesh sesi seso sess shcc shcp she- shee sheh sheo shep sher shes shhh shhs shie shih shii shio ship shir shis shoe shoo shop shor shos shps shre shri shrp shrs shsc sicc sice sich sici sico sicp sics siec sier sies sihi sihr sihs sioe siop sior sios sipc sipe sipi sipo sipp sips sirc sire siri siro sirp sirr sirs sisc sise sish sisi siss soce soch soci soco socr socs soec soeo soep soes sohh soho sohp sohs soic soie soir sois soop soor soos sope soph sopi sopo sopp sops sore sorh sori soro sorr sors sose sosh sosi soso soss spcc spco spcs spec spee sper spes sphr sphs spic spie spio spip spir spis spoc spoo spop spor spos spps spri spro sprs spse spso spsp spss srcc srch srec sreo sres srhs sris sros srpc srps srsp sscc ssce ssci sscp sscs ssec ssee ssep sses sshs ssis ssoc ssop sspc sspe sspo ssps ssrc ssri ssrs sssc sssh sssi ssss