cccc cccf cccl cccs ccfc ccff ccfl cclc ccls ccnc ccnf ccnr ccns ccoc ccrc ccrf ccrl ccrs ccrt ccsf ccsl ccsn ccss ccst cctc cctl cctt cfcf cfcl cfcn cfco cfcs cffr cfln cfls cfnr cfns cfor cfos cfrn cfrt cfsl cftc cftl cftr clof clon cloo clor clos clot clro clrs clsc cltc clts cnco cnrc cnrr cnrt cnsl cnss cntc cntf cntr coco coct cofc coff cofs coft col- coll coln colo cols colt con- conc conf conn cono cons cont coof cool coon coos coot cor- corc corf corl corn coro corr cors cort cosc cosl coso coss cost cotc cotn coto cots cott crcc crcr crfc crfl crfs crlf crls crns croc crol cron croo cror crot crrt crss crst crtc crtf crtl crts cscc cscf cscl csco cscr cscs csfc csfr cslr csor csos csot csrc csrs cssr cstc csto cstr csts ctcf ctfc ctfo ctfs ctls ctns ctol ctor ctos ctot ctrc ctrl ctrn ctrs ctsc ctsn ctss cttn ctts fccf fcnl fcot fcsc fcsl fcst fcto ffcc ffff ffrr ffss fftf flcl flnc floc flon floo flor flos flot flts fnlc fnrs foco focs fofo folc foll folo folr fols folt fono fons font foof fool foon foos foot for- forl forn foro forr fors fort foso foss fost foto fots fott frcc frcn frfc frns frol fron fros frot frsc frso frst fscc fsfo fsln fssc fssf ft-c ft-l ftfc ftos ftrs ftsr lccc lccs lcfc lcfr lcls lcor lcrl lcrs lcsc lcsr lctl lcto lcts lfcc lfts llcc llcs lllc llll lloc lloo lncr lnfs lnso lntc lnts locc locn loco locs loff lofn loft loll lolo lols lono lonr lons lont looc loof lool loon loor loos loot lorn loro lors losc loso loss lost lotl loto lotr lots lott lrcs lrfc lroc lron lrrc lrrr lrst lrts ls-r lsco lscs lsfc lsof lson lsrc lsso lssr lsts ltcc ltcs ltfc ltns ltnt ltrs ltsr lttc lttr nccc nccf nccn nccr nccs ncct ncfc nclc ncln nclr ncnc ncoc ncor ncos ncrc ncsc ncsf ncsl ncss ncst nctc nctr nfct nfff nfon nfrs nfsr nftc nfto nlcc nlcf nlcs nlls nlsc nnls nnnn nnos nnot nnsl nnss nntn nocl noco nocs noct nolf noll nolo nols nolt non- nonn nono nons nont noo- nool 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 nrrl nrsc nrtl nrts nscc nscl nscs nsfc nsfs nslr nsls nsnr nsof nsos nsrc nsrl nssc nssf nsso nssr nsss nstc nstl nsts ntcc ntfc ntfl ntfs ntof ntrc ntrl ntsc ntsf ntss ntto nttr occc occn occt oclc ocon ocos ocrl ocro ocrr ocrs oct- octo octs ofcl ofcr off- offc offo offr offs ofno ofor ofst olcc olfs ollo olof olon olor olos olot olst onc- oncf onco onct onlf onno onon onor onos onsc onso onst ont- ontc onto oocr ooff oofs oolo oons oont oooo ooos oort oost oots orco orcs orff orfs orlo ornc orno orns oro- orof oron oror oros orot orro orrs orso ortc orto orts oscc oscl osco oslo osno osnr osoo osor osos osro osso ostc ostr osts otcl otfc oto- otof oton otoo otor otos otro otrs otso otto otts rccc rccs rcfc rcls rcnl rcnr rcon rcos rcsc rcsl rcss rctc rcts rffc rffl rftc rlcs rlls rnco rncs rnnt rnot rocc roco rocs rofc roff rofl rofo rolf roll rolo rolt ronc rono rons ront roof rool roon roor roos root rorc roro rort rosc roso ross rost rotc rotl rotn roto rotr rots rott rrfc rrrr rscc rscn rscs rsfc rslc rsnn rsno rsnr rsos rssl rsts rtcc rtfc rtls rtlt rtns rtss rtts s-os sccc sccl sccs scct scfc scl- sclc scls scnr scnt scol scon scoo scor scot scr- scrc scrn scrs scsc scsl scsn scso scsr scst sctc sctl sctn scto sctr scts sfcc sfco sfcs sffc sflc sfls sfnt sfor sfos sfrc sfro sfss sfts slcc slft slln sloc slon sloo slos slot slrc slrn slrs slsc slst slts sncc sncf snco snlf snns snoc snoo snor snos snot snrs sntr socl soco socr socs sofo soft solf soll soln solo solr sols solt son- sono sons sont soof sool soon soor soos soot sorn soro sorr sors sort soso soss sost sotc sotl sotn soto sots srcc srct srfc srnn srno sros srtr sscc sscs ssfc ssfl sslc sslt ssns ssoc ssot ssrc ssrl ssrs sssc sssf ssss sstc sstl ssts stcc stcs stfc stfn stlc stln stlo stlt stnn stnr stns stof stol ston stoo stor stos stot strc strn stro strs stsf stss sttc sttr tccc tcfc tcnn tcon tcos tctc tcts tfot tfrs tfss tftc tlco tlon tlos tlrs tncc tnfc tnfl tnts toco toff tofo toft tol- toll tolo tolt tonn tono tons toof tool toon toor toos toot torc torf torn toro torr tors tort tosc toso toss tost totc toto totr tots tott trcc trcl trfc trfr trno troc tron troo tros trot trst trtc trtr tscc tsfc tsfl tsol tsos tssf tssr tsst tstc tsts ttcn ttfc ttff ttfn tton ttss tttt