c-cd cccc cccf cccl cccs ccdc ccdf ccdr ccds ccfc ccfd ccff ccfl cclc ccls ccoc ccod ccrc ccrf ccrl ccrs ccsd ccsf ccsl ccss cd-r cdcs cddl cddr cdfs cdls cdos cdrs cdss cfcf cfcl cfco cfcs cfds cffr cfls cfor cfos cfsl clcd cldc cldr clod clof cloo clor clos clrd clro clrs clsc coco codd codl cods cofc coff cofs col- cold coll colo cols cood coof cool coos cor- corc cord corf corl coro corr cors cosc cosl coso coss crcc crcr crdc crfc crfl crfs crlf crls croc crod crol croo cror crss cscc cscd cscf cscl csco cscr cscs csdr csfc csfr csld cslr csor csos csrc csrd csrs cssd cssr dccc dccl dccs dcds dcfc dcfs dcls dcos dcsc dcss dddd ddlc ddoc ddrc ddss dfcc dfco dfcs dfds dfrf dlco dlcs dlos dlrs doco docs dod- dodd dodo dods doff dold dolf doll dolo dols dood doof dool door doos dorc dord dorf doro dorr dors doso doss drfc drod drof drol drrs dscc dscr dscs dsdr dsfc dsls dsos dsrc dsrr dssc fccf fcds fcsc fcsl fdlr fdoc fdos ffcc ffff ffrr ffss flcl fldr floc flod floo flor flos foco focs fofo folc fold foll folo folr fols food foof fool foos for- ford forl foro forr fors foso foss frcc frfc frol fros frsc frso fscc fsfo fssc fssf lccc lccs lcdd lcdr lcds lcfc lcfr lcls lcor lcrd lcrl lcrs lcsc lcsd lcsr ldcf ldls ldos ldrs lfcc lfrd llcc llcs lldc llds lllc llll lloc llod lloo locc loco locs lods loff lold loll lolo lols looc lood loof lool loor loos lord loro lors losc loso loss lrcs lrdd lrds lrfc lroc lrrc lrrr ls-r lsco lscs lsds lsfc lsof lsrc lsso lssr occc ocds oclc ocos ocrl ocro ocrr ocrs oddd odds odoo odor odos odrl odso ofcl ofcr ofdr off- offc offo offr offs ofor olcc olds olfs ollo olof olor olos oocr ooff oofs oold oolo oooo ooos oord orco orcs ordo ords orff orfs orlo oro- orof oror oros orro orrs orso oscc oscl osco oslo osoo osor osos osrd osro ossd osso rccc rccs rcdc rcds rcfc rcls rcos rcrd rcsc rcsd rcsl rcss rdoc rdos rdso rfds rffc rffl rlcs rlds rlls rocc roco rocs rodd rodo rods rofc roff rofl rofo rold rolf roll rolo rood roof rool roor roos rorc roro rosc roso ross rrfc rrrr rscc rscs rsdd rsdl rsds rsfc rslc rsos rssl s-os sccc sccl sccs scdc scdf scds scfc scl- sclc scls scol scoo scor scr- scrc scrs scsc scsd scsl scso scsr sdcc sdco sddc sdds sdfc sdlc sdls sdrc sdrs sdsc sdsf sdsl sdss sfcc sfco sfcs sfdc sffc sflc sfls sfor sfos sfrc sfro sfss slcc slcd slds sloc slod sloo slos slrc slrs slsc socl soco socr socs sodd sodo sods sofo sold solf soll solo solr sols sood soof sool soor soos sord soro sorr sors soso soss srcc srfc sros srsd sscc sscs ssdc ssdd ssdf ssfc ssfl sslc ssoc ssrc ssrl ssrs sssc sssf ssss