cccc cccf cccl cccs ccfc ccff ccfl cclc ccls ccnc ccnf ccnr ccns ccoc ccrc ccrf ccrl ccrs ccsf ccsl ccsn ccss cfcf cfcl cfcn cfco cfcs cffr cfln cfls cfnr cfns cfor cfos cfrn cfsl clof clon cloo clor clos clro clrs clsc cnco cnrc cnrr cnsl cnss coco cofc coff cofs col- coll coln colo cols con- conc conf conn cono cons coof cool coon coos cor- corc corf corl corn coro corr cors cosc cosl coso coss crcc crcr crfc crfl crfs crlf crls crns croc crol cron croo cror crss cscc cscf cscl csco cscr cscs csfc csfr cslr csor csos csrc csrs cssr fccf fcnl fcsc fcsl ffcc ffff ffrr ffss flcl flnc floc flon floo flor flos fnlc fnrs foco focs fofo folc foll folo folr fols fono fons foof fool foon foos for- forl forn foro forr fors foso foss frcc frcn frfc frns frol fron fros frsc frso fscc fsfo fsln fssc fssf lccc lccs lcfc lcfr lcls lcor lcrl lcrs lcsc lcsr lfcc llcc llcs lllc llll lloc lloo lncr lnfs lnso locc locn loco locs loff lofn loll lolo lols lono lonr lons looc loof lool loon loor loos lorn loro lors losc loso loss lrcs lrfc lroc lron lrrc lrrr ls-r lsco lscs lsfc lsof lson lsrc lsso lssr nccc nccf nccn nccr nccs ncfc nclc ncln nclr ncnc ncoc ncor ncos ncrc ncsc ncsf ncsl ncss nfff nfon nfrs nfsr nlcc nlcf nlcs nlls nlsc nnls nnnn nnos nnsl nnss nocl noco nocs nolf noll nolo nols non- nonn nono nons noo- nool noon nooo noor noos nor- norc norf norn noro norr nors nos- noss nrcs nrfc nroc nron nrrc nrrl nrsc nscc nscl nscs nsfc nsfs nslr nsls nsnr nsof nsos nsrc nsrl nssc nssf nsso nssr nsss occc occn oclc ocon ocos ocrl ocro ocrr ocrs ofcl ofcr off- offc offo offr offs ofno ofor olcc olfs ollo olof olon olor olos onc- oncf onco onlf onno onon onor onos onsc onso oocr ooff oofs oolo oons oooo ooos orco orcs orff orfs orlo ornc orno orns oro- orof oron oror oros orro orrs orso oscc oscl osco oslo osno osnr osoo osor osos osro osso rccc rccs rcfc rcls rcnl rcnr rcon rcos rcsc rcsl rcss rffc rffl rlcs rlls rnco rncs rocc roco rocs rofc roff rofl rofo rolf roll rolo ronc rono rons roof rool roon roor roos rorc roro rosc roso ross rrfc rrrr rscc rscn rscs rsfc rslc rsnn rsno rsnr rsos rssl s-os sccc sccl sccs scfc scl- sclc scls scnr scol scon scoo scor scr- scrc scrn scrs scsc scsl scsn scso scsr sfcc sfco sfcs sffc sflc sfls sfor sfos sfrc sfro sfss slcc slln sloc slon sloo slos slrc slrn slrs slsc sncc sncf snco snlf snns snoc snoo snor snos snrs socl soco socr socs sofo solf soll soln solo solr sols son- sono sons soof sool soon soor soos sorn soro sorr sors soso soss srcc srfc srnn srno sros sscc sscs ssfc ssfl sslc ssns ssoc ssrc ssrl ssrs sssc sssf ssss