cccc cccs cchr cchs ccoc ccrc ccrs ccss chch chcs chhs choc choh choo chor chos chrc chro chrr chrs chsc chsh chsr coch coco coho cohs cooh coos cor- corc coro corr cors cosc cosh coso coss crcc crcr crhs croc croh croo cror crss cscc csch csco cscr cscs cshs csor csos csrc csrs cssr hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hoch hocr hocs hoho hoor hoos horc horo horr hors hosh hoss hrhs hros hrrc hrso hscc hshs occc ochs ocos ocro ocrr ocrs ohcc ohho ohhs ohoh ohos ohso ohss oocr ooho oohs oooh oooo ooos orch orco orcs orhs oro- oror oros orro orrs orso oscc osco oshc osho oshs osoo osor osos osro osso rccc rccs rchs rcos rcsc rcss rhhs rhoc rhoh rhos rocc roch roco rocs rohr rohs roor roos rorc roro rosc rosh roso ross rrhs rrrr rscc rsch rscs rshs rsos s-os sccc sccs sch- schh scho schr schs scoh scoo scor scr- scrc scrs scsc scsh scso scsr shcc shhh shhs shoo shor shos shrs shsc soch soco socr socs sohh soho sohs soor soos sorh soro sorr sors sosh soso soss srcc srch srhs sros sscc sscs sshs ssoc ssrc ssrs sssc sssh ssss