c-cd cccc cccf ccci cccs ccdc ccdf ccdi ccdr ccds ccfc ccfd ccff ccfi ccic ccid ccii ccir ccis ccoc ccod ccrc ccrf ccri ccrs ccrt ccsd ccsf ccsi ccss ccst cctc cctt cd-r cdcs cddr cdfs cdic cdii cdio cdis cdos cdot cdrs cdss cfcf cfco cfcs cfds cffr cfit cfor cfos cfrt cfsi cftc cftr cicc cici cico cicr cics cict cidc cidi cidr cids cidt ciff cifs ciid ciii ciis ciit cior cios circ ciri ciro cirr cirs cirt cis- cisc cisd cisr ciss cist citf citi cito cits citt coco coct codd codi cods cofc coff cofi cofs coft coif coir cois coit cood coof coos coot cor- corc cord corf cori coro corr cors cort cosc cosi coso coss cost cotc coti coto cots cott crcc crcr crdc crfc crfs cric crif cris crit croc crod croo cror crot crrt crss crst crtc crtf crts cscc cscd cscf csci csco cscr cscs csdr csfc csfr csid csio csir csis csit csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts ctcf ctfc ctfo ctfs ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts dccc dcci dccs dcct dcds dcfc dcfs dcii dcio dcis dcos dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dfcc dfco dfcs dfds dfdt dfrf dfri dftr dfts dici dico dict didi dido dids dif- diff difs diii diis dioc dior dios diot dird dirr dirs dirt dis- disc disd disi diso diss dist diti dito dits ditt doci doco docs doct dod- dodd dodi dodo dods doff doid dois doit dood doof door doos doot dorc dord dorf dori doro dorr dors dort dosi doso doss dost dotd doti doto dots dott drfc dric drif drit drod drof drot drrs dscc dscr dscs dsdr dsfc dsif dsos dsrc dsri dsrr dssc dssi dsst dstc dsto dsts dtcc dtfc dtor dtot dtss fccf fcds fcic fcii fcot fcsc fcst fcto fdic fdoc fdos fdot fdst fdtc fdti ffcc ffff ffii ffrr ffss fftf ficc fico fics fict fidc fidf fido fids fifc fiff fifi fifo fift fiii fior fios firs fisc fisd fisi fiss fist fitc fiti fits fitt foci foco focs fofo foid fois food foof foos foot for- ford fori foro forr fors fort fosi foso foss fost foti foto fots fott frcc frfc fric frid frio fris frit fros frot frsc frso frst fscc fsfi fsfo fssc fssf ft-c ftcd ftdi ftfc ftii ftos ftrs ftsr iccc iccf icci icco iccr iccs icct icdc icdd icis icoc icod icor icos icrc icrf icrr icrs icrt icsc icsd icsi icsr icss icst icts idcr iddo idfc idic idid idio idir idis idoc idos idrc idrf idro idsc idsf idso idss idts ifcd ifco ific ifid ifis ifit ifor ifrf ifri ifsc ifso ifto iicd iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisd iisi iisr iist iitr iitt ioci iod- iodd iodo iofc ioii ioio ioit ioof iooi iooo ioos iori iors ioso iotf ioto ircc ircd ircs irdc irdo irds iri- iric irid irio iris iroc irod irrc irri irrs irsf irtf irti irts iscc iscd isci isco iscr iscs isct isdc isds isfc isic isis isit iso- isoc isof isor isos isri issc issf issi isso issr isss istc istd isti isto istr ists itcs itdo itic itif itis itof itoi itoo itor itos itrf itri itrs itsf itsi itso ittf itto occc occi occt ocds ocis ocos ocro ocrr ocrs oct- octi octo octs odci oddd oddi odds odic odio odir odis odoo odor odos odot odso odts ofcr ofdr off- offc offo offr offs ofid ofit ofor ofst oici oido oids oiii oios oirt oisc oisd oist oitc oiti oocr oodi ooff oofs ooid oooo ooos oord oort oosi oost oots orci orco orcs ordo ords orff orfi orfs ori- oric orid orif orio oris orit oro- orof oror oros orot orri orro orrs orsi orso ortc orto orts oscc osci osco osdi osii osis osoi osoo osor osos osrd osro ossd ossi osso ostc osti ostr osts otcd otfc otic otif otis otit oto- otof otoo otor otos otro otrs otso otti otto otts rccc rccs rcdc rcds rcfc rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rctc rcti rcts rdio rdoc rdos rdso rfdi rfds rffc rfic rfid rftc ricc rico rics rict ridc ridd ridi rido rids riff rifs rift riif riis rios riot riri rirs risc risd risi riso riss rist riti rito rits ritt rocc roco rocs rodd rodi rodo rods rofc roff rofo roid roif roio roir rois roit rood roof rooi roor roos root rorc rori roro rort rosc rosi roso ross rost rotc roti roto rotr rots rott rrfc rrif rrrr rscc rscs rsdd rsds rsfc rsid rsis rsos rsts rtcc rtdt rtfc rtss rtts s-ic s-ii s-os sccc sccs scct scdc scdf scds scfc scfi sci- scic scid scif scio scir scis scit scoo scor scot scr- scrc scri scrs scsc scsd scsi scso scsr scst sctc sctd scto sctr scts sdcc sdco sddc sdds sdfc sdic sdif sdio sdot sdrc sdrs sdsc sdsf sdss sfcc sfco sfcs sfdc sffc sfio sfor sfos sfrc sfro sfss sfts sicc sici sico sics sidd sidi sido sidr sids siff sifo sifr sift siit siod sior sios siot sirc sirf siri siro sirr sirs sirt sisc sisd sisi siss sist sit- sitc sitd siti sito sits sitt soci soco socr socs sodd sodo sods sofi sofo soft soic soif soir sois soit sood soof soor soos soot sord sori soro sorr sors sort sosi soso soss sost sotc soto sots srcc srct srfc srfi sris sros srsd srtr sscc ssci sscs ssdc ssdd ssdf ssfc ssid ssis ssit ssoc ssot ssrc ssri ssrs sssc sssf sssi ssss sstc sstd ssts stcc stcs stds stfc stic stid stif stio stir stis stit stod stof stoo stor stos stot strc strd stri stro strs stsf stsi stss sttc sttd sttr tccc tcdd tcfc tcos