c-cd cccc cccf cccp cccs ccdc ccdf ccdp ccdr ccds ccfc ccfd ccff ccoc ccod ccpp ccpr ccps ccrc ccrf ccrp ccrs ccsd ccsf ccsp ccss cd-r cdcs cddr cdfs cdos cdps cdrs cdss cfcf cfco cfcs cfdp cfds cffr cfor cfos cfpo cfpr cfps cfrp coco cocp codd cods cofc coff cofs cood coof coop coos copd copo copp copr cops cor- corc cord corf coro corp corr cors cosc coso cosp coss cpcs cpff cpos cppd cpps cprs cpsc cpso cpsr crcc crcr crdc crfc crfs croc crod croo crop cror crpc crps crsp crss cscc cscd cscf csco cscr cscs csdp csdr csfc csfr csor csos cspc cspd csps csrc csrd csrs cssd cssr dccc dccp dccs dcds dcfc dcfs dcop dcos dcpo dcps dcsc dcss dddd ddoc ddpo ddps ddrc ddss dfcc dfco dfcs dfds dfrf doco docs dod- dodd dodo dods doff dood doof doop door doos dopo dopp dopr dops dorc dord dorf doro dorp dorr dors doso doss dpcp dpos dppc dpsd drfc drod drof drop drrs drsp dscc dscp dscr dscs dsdp dsdr dsfc dsos dspf dsps dsrc dsrp dsrr dssc dssp fccf fccp fcds fcps fcsc fdoc fdos ffcc ffff ffps ffrr ffss foco focs fofo food foof foos fopp fops for- ford foro forr fors foso foss fp-c fpcc fprf frcc frcp frfc frop fros frpd frps frsc frso fscc fsfo fspc fspf fssc fssf fssp occc ocds ocfp ocos ocpd ocpp ocro ocrr ocrs oddd odds odoo odop odor odos odrp odso ofcr ofdr off- offc offo offr offs ofor oocr ooff oofs oooo ooos oops oord opds opo- opor opos oppo opps orco orcs ordo ords orff orfs oro- orof oror oros orpc orps orro orrs orso oscc osco osoo osor osos osrd osro ossd osso pccc pccs pcfc pcod pcos pcpp pcps pcrc pcrd pcrf pcso pdcp pdfs pdoc pdos pdpr pdrc pdrs pdsd pdss pfcs pfff pffr pfps pocd poco pocs pod- podd podo pods poff pood poof poop poor poos pop- popc popo popp pops porc poro porr pors poso poss ppcc ppcd ppcs ppds ppod ppos pppd pppo pppp ppps pprc pprf ppsf ppss prcc prcd prcf prcp prcs prfc prfs pro- proc prod prof proo prop pros prpd prps prrd prrs prsc prsd prso prss psco psdc psdp psdr psds psfs psoc psos pspp pspr psps psrd psrp pssc psso rccc rccs rcdc rcds rcfc rcos rcpd rcpo rcps rcrd rcsc rcsd rcss rdoc rdos rdpc rdso rfds rffc rocc roco rocs rodd rodo rods rofc roff rofo rood roof roop roor roos ropo rops rorc roro rosc roso rosp ross rpcs rpdp rpfc rpof rpos rpps rrfc rrrr rrsp rscc rscs rsdd rsds rsfc rsos rspo rsps s-os sccc sccp sccs scdc scdf scdp scds scfc scoo scop scor scpo scps scr- scrc scrs scsc scsd scso scsr sdcc sdco sddc sdds sdfc sdpr sdps sdrc sdrs sdsc sdsf sdss sfcc sfco sfcs sfdc sffc sfor sfos sfpc sfpd sfrc sfro sfss soco socr socs sodd sodo sods sofo sood soof soop soor soos sopd sopo sopp sops sord soro sorr sors soso soss spcc spco spcs spdc spdf spdp spdr spfc spfs spoc spod spoo spop spor spos sppd sppf spps sprd spro sprs spsd spso spsp spss srcc srfc sros srpc srps srsd srsp sscc sscp sscs ssdc ssdd ssdf ssdp ssfc ssfp ssoc ssop sspc sspf sspo ssps ssrc ssrs sssc sssf ssss