cccc cccs ccoc ccow ccrc ccrs ccrt ccss ccst cctc cctt coco coct coos coot cor- corc coro corr cors cort cosc coso coss cost cotc coto cots cott cotw cows cowt crcc crcr croc croo cror crot crow crrt crss crst crtc crts cscc csco cscr cscs csor csos csot csrc csrs cssr cstc csto cstr csts csws ctor ctos ctot ctrc ctrs ctsc ctss ctts cttw cwos cwot cwrw cwts occc occt ocos ocro ocrr ocrs ocsw oct- octo octs oocr oooo ooos oort oost oots ootw orco orcs oro- oror oros orot orro orrs orso ortc orto orts orwo oscc osco osoo osor osos osow osro osso ostc ostr osts oto- otoo otor otos otow otro otrs otso otto otts otwo owow owt- owtt rccc rccs rcos rcsc rcss rctc rcts rocc roco rocs roor roos root rorc roro rort rosc roso ross rost rotc roto rotr rots rott rowr rows rowt roww rrrr rscc rscs rsos rsts rtcc rtss rtts rwcs s-os sccc sccs scct scoo scor scot scow scr- scrc scrs scsc scso scsr scst sctc scto sctr scts soco socr socs soor soos soot soro sorr sors sort soso soss sost sotc soto sots sotw sowr sows sowt srcc srct sros srtr sscc sscs ssoc ssot ssrc ssrs sssc ssss sstc ssts ssws stcc stcs stoo stor stos stot stow strc stro strs stss sttc sttr swcc swoo swor swot swow swss swts tccc tcos tctc tcts toco toor toos toot torc toro torr tors tort tosc toso toss tost totc toto totr tots tott tows trcc troc troo tros trot trow trst trtc trtr tscc tsos tssr tsst tstc tsts ttss tttt two- twoc twoo twos twot twss wccc wcco wccr wccs wcct wccw wcoc wcoo wcor wcos wcot wcrc wcro wcrr wcrs wcrt wcrw wcsc wcso wcsr wcss wcst wcsw wctc wcto wctr wcts wctt wctw wcwc wocc woco wocr wocs wooc woos woot woow worc woro worr wors wort worw woso woss wost wosw wotc wotr wots wott wotw wowc wowo wows wowt woww wrco wrcr wrcs wrct wrcw wroc wroo wros wrot wrow wrrc wrro wrrs wrrw wrsc wrso wrsr wrss wrsw wrtc wrto wrtr wrts wrtw wrwc wrwr wscc wsco wscr wscs wscw wsoc wsoo wsor wsos wsrc wsro wsrs wsrt wsrw wssc wssr wsss wsst wssw wstc wsto wstr wsts wstt wstw wswr wsws wswt wsww wtcc wtco wtcr wtcs wtct wtcw wtoc wtor wtot wtow wtrc wtro wtrs wtrt wtrw wtso wtsr wtss wttc wtto wttr wtts wttt wttw wtwo wtwr wtws wtwt wtww wwco wwcr wwcs wwct wwcw wwor wwos wwot wwow wwrc wwrr wwrw wwsc wwsr wwss wwst wwtc wwtr wwtw wwwc wwwr wwws wwww