cccc cccf cccl cccs ccfc ccff ccfl cclc ccls cclx ccoc ccrc ccrf ccrl ccrs ccrt ccsf ccsl ccss ccst cctc cctl cctt ccxl cfcf cfcl cfco cfcs cffr cfls cfor cfos cfox cfrt cfrx cfsl cfsx cftc cftl cftr clof cloo clor clos clot clox clro clrs clsc cltc clts clxx coco coct cofc coff cofs coft col- coll colo cols colt coof cool coos coot cor- corc corf corl coro corr cors cort cosc cosl coso coss cost cotc coto cots cott crcc crcr crfc crfl crfs crlf crls croc crol croo cror crot crrt crss crst crtc crtf crtl crts cscc cscf cscl csco cscr cscs csfc csfr cslr csor csos csot csox csrc csrs cssr cstc csto cstr csts cstx csxt ctcf ctfc ctfo ctfs ctls ctol ctor ctos ctot ctrc ctrl ctrs ctsc ctss ctts cxfs cxro cxxx fccf fcot fcsc fcsl fcst fcto ffcc ffff ffrr ffss fftf flcl floc floo flor flos flot flox flts foco focs fofo folc foll folo folr fols folt folx foof fool foos foot for- forl foro forr fors fort foso foss fost foto fots fott foxx frcc frfc frol fros frot frsc frso frst fscc fsfo 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 locc loco locs loff loft loll lolo lols looc loof lool loor loos loot loro lors losc loso loss lost lotl loto lotr lots lott lox- loxo lrcs lrfc lroc lrrc lrrr lrst lrts ls-r lsco lscs lsfc lsof lsrc lsso lssr lsts ltcc ltcs ltfc ltrs ltsr lttc lttr lxxx occc occt oclc ocos ocrl ocro ocrr ocrs oct- octo octs ofcl ofcr off- offc offo offr offs ofor ofst olcc olfs ollo olof olor olos olot olst oocr ooff oofs oolo oooo ooos oort oost oots orco orcs orff orfs orlo oro- orof oror oros orot orro orrs orso ortc orto orts oscc oscl osco oslo osoo osor osos osro osso ostc ostr osts otcl otfc oto- otof otoo otor otos otro otrs otso otto otts oxo- oxof oxos oxox oxxo rccc rccs rcfc rcls rcos rcsc rcsl rcss rctc rcts rffc rffl rftc rlcs rlls rocc roco rocs rofc roff rofl rofo rolf roll rolo rolt roof rool roor roos root roox rorc roro rort rosc roso ross rost rotc rotl roto rotr rots rott roxo rrfc rrrr rscc rscs rsfc rslc rsos rssl rsts rtcc rtfc rtls rtlt rtss rtts s-os sccc sccl sccs scct scfc scl- sclc scls scol scoo scor scot scox scr- scrc scrs scsc scsl scso scsr scst sctc sctl scto sctr scts sfcc sfco sfcs sffc sflc sfls sfor sfos sfrc sfro sfss sfts slcc slft sloc sloo slos slot slrc slrs slsc slst slts socl soco socr socs socx sofo soft solf soll solo solr sols solt soof sool soor soos soot soro sorr sors sort soso soss sost sotc sotl soto sots soxs srcc srct srfc sros srtr sscc sscs ssfc ssfl sslc sslt ssoc ssot ssrc ssrl ssrs sssc sssf ssss sstc sstl ssts stcc stcs stfc stlc stlo stlt stof stol stoo stor stos stot stox strc stro strs stsf stss sttc sttr tccc tcfc tclx tcos tctc tcts tfot tfox tfrs tfss tftc tlco tlos tlrs tltx toco toff tofo toft tol- toll tolo tolt toof tool toor toos toot torc torf toro torr tors tort torx tosc toso toss tost tosx totc toto totr tots tott tox- toxo toxs toxt trcc trcl trfc trfr troc troo tros trot trox trst trtc trtr tscc tsfc tsfl tsol tsos tssf tssr tsst tstc tsts ttfc ttff ttss tttt txtr xloc xlox xoco xolo xoro xors xosl xoxo xslt xtol xtro xtsr xxxo xxxx