cccc cccf cccs ccfc ccff ccnc ccnf ccnr ccns ccoc ccrc ccrf ccrs ccrt ccsf ccsn ccss ccst cctc cctt cfcf cfcn cfco cfcs cffr cfnr cfns cfor cfos cfrn cfrt cftc cftr cnco cnrc cnrr cnrt cnss cntc cntf cntr coco coct cofc coff cofs coft con- conc conf conn cono cons cont coof coon coos coot cor- corc corf corn coro corr cors cort cosc coso coss cost cotc cotn coto cots cott crcc crcr crfc crfs crns croc cron croo cror crot crrt crss crst crtc crtf crts cscc cscf csco cscr cscs csfc csfr csor csos csot csrc csrs cssr cstc csto cstr csts ctcf ctfc ctfo ctfs ctns ctor ctos ctot ctrc ctrn ctrs ctsc ctsn ctss cttn ctts fccf fcot fcsc fcst fcto ffcc ffff ffrr ffss fftf fnrs foco focs fofo fono fons font foof foon foos foot for- forn foro forr fors fort foso foss fost foto fots fott frcc frcn frfc frns fron fros frot frsc frso frst fscc fsfo fssc fssf ft-c ftfc ftos ftrs ftsr nccc nccf nccn nccr nccs ncct ncfc ncnc ncoc ncor ncos ncrc ncsc ncsf ncss ncst nctc nctr nfct nfff nfon nfrs nfsr nftc nfto nnnn nnos nnot nnss nntn noco nocs noct non- nonn nono nons nont noo- noon nooo noor noos noot nor- norc norf norn noro norr nors nort nos- noss nost not- noto nots nott nrcs nrfc nroc nron nrrc nrsc nrts nscc nscs nsfc nsfs nsnr nsof nsos nsrc nssc nssf nsso nssr nsss nstc nsts ntcc ntfc ntfs ntof ntrc ntsc ntsf ntss ntto nttr occc occn occt ocon ocos ocro ocrr ocrs oct- octo octs ofcr off- offc offo offr offs ofno ofor ofst onc- oncf onco onct onno onon onor onos onsc onso onst ont- ontc onto oocr ooff oofs oons oont oooo ooos oort oost oots orco orcs orff orfs ornc orno orns oro- orof oron oror oros orot orro orrs orso ortc orto orts oscc osco osno osnr osoo osor osos osro osso ostc ostr osts otfc oto- otof oton otoo otor otos otro otrs otso otto otts rccc rccs rcfc rcnr rcon rcos rcsc rcss rctc rcts rffc rftc rnco rncs rnnt rnot rocc roco rocs rofc roff rofo ronc rono rons ront roof roon roor roos root rorc roro rort rosc roso ross rost rotc rotn roto rotr rots rott rrfc rrrr rscc rscn rscs rsfc rsnn rsno rsnr rsos rsts rtcc rtfc rtns rtss rtts s-os sccc sccs scct scfc scnr scnt scon scoo scor scot scr- scrc scrn scrs scsc scsn scso scsr scst sctc sctn scto sctr scts sfcc sfco sfcs sffc sfnt sfor sfos sfrc sfro sfss sfts sncc sncf snco snns snoc snoo snor snos snot snrs sntr soco socr socs sofo soft son- sono sons sont soof soon soor soos soot sorn soro sorr sors sort soso soss sost sotc sotn soto sots srcc srct srfc srnn srno sros srtr sscc sscs ssfc ssns ssoc ssot ssrc ssrs sssc sssf ssss sstc ssts stcc stcs stfc stfn stnn stnr stns stof ston stoo stor stos stot strc strn stro strs stsf stss sttc sttr tccc tcfc tcnn tcon tcos tctc tcts tfot tfrs tfss tftc tncc tnfc tnts toco toff tofo toft tonn tono tons toof toon toor toos toot torc torf torn toro torr tors tort tosc toso toss tost totc toto totr tots tott trcc trfc trfr trno troc tron troo tros trot trst trtc trtr tscc tsfc tsos tssf tssr tsst tstc tsts ttcn ttfc ttff ttfn tton ttss tttt