-ous c-cd cccc cccf cccs cccu ccdc ccdf ccdr ccds ccfc ccfd ccff ccoc ccod ccrc ccrf ccrs ccrt ccsd ccsf ccss ccst cctc cctt ccuc ccus ccut cd-r cdcs cddr cdfs cdos cdot cdrs cdss cfcf cfco cfcs cfds cffr cfor cfos cfrt cftc cftr coco coct cocu codd cods cofc coff cofs coft cood coof coos coot cor- corc cord corf coro corr cors cort cosc coso coss cost cotc coto cots cott cotu coud cour cous cout crcc crcr crdc crfc crfs croc crod croo cror crot crrt crss crst crtc crtf crts crud crus crut cscc cscd cscf csco cscr cscs csdr csfc csfr csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts csuf csur csus ctcf ctfc ctfo ctfs ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cucc cuds cufc cuff cufo curd curf curo curr curs curt cusd cuso cuss cust cusu cut- cutc cuto cuts cutt dccc dccs dcct dccu dcds dcfc dcfs dcos dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dfcc dfco dfcs dfcu dfds dfdt dfrf dftr dfts doco docs doct docu dod- dodd dodo dods doff dood doof door doos doot dorc dord dorf doro dorr dors dort doru doso doss dost dotd doto dots dott douc doud douf dour dous dout drfc drod drof drot drou drrs drus drut druu dscc dscr dscs dsdr dsfc dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtfc dtor dtot dtss duco ducs duct dudd dudo duds dudu dufc duff dufu duo- duos duro durt duru dust duts duur duut fccf fcds fcot fcsc fcst fcto fdoc fdos fdot fdst fdtc ffcc ffff ffrr ffss fftf foco focs fofo food foof foos foot for- ford foro forr fors fort foso foss fost foto fots fott foud four fous fout frcc frfc fros frot frou frsc frso frst fscc fsfo fssc fssf ft-c ftcd ftfc ftos ftrs ftsr ftuc fuc- fuct fudd fufc fuff fufu fuor fur- furo furr furs furt fusc fusd fuso fuss fust fusu futo futs futu occc occt ocds ocos ocro ocrr ocrs oct- octo octs ocur oddd odds odoo odor odos odot odou odso odts odtu odur odus ofcr ofdr off- offc offo offr offs offu ofor ofst ofus oocr ooff oofs oooo ooos oord oort oost oots oous orco orcs ordo ords ordu orff orfs orfu oro- orof oror oros orot orro orrs orso orsu ortc orto orts orus oscc osco osoo osor osos osrd osro ossd osso ossu ostc ostr osts otcd otfc oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus oucc oudc ouds oufc ouff our- ouro ours ourt ousd oust out- outo outs ouu- rccc rccs rcdc rcds rcfc rcos rcrd rcsc rcsd rcss rctc rcts rdoc rdos rdso rfds rffc rftc rocc roco rocs rodd rodo rods rofc roff rofo rood roof roor roos root rorc roro rort roru rosc roso ross rost rotc roto rotr rots rott roud rouf rous rout rrfc rrrr rscc rscs rsdd rsds rsfc rsos rsts rstu rtcc rtdt rtfc rtss rtts ruct rudd rudo ruds rufc ruff rufo ruft rurc rurd ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu ruud s-os sccc sccs scct scdc scdf scds scfc scoo scor scot scr- scrc scrs scsc scsd scso scsr scst scsu sctc sctd scto sctr scts scud scur scut sdcc sdco sddc sdds sdfc sdot sdrc sdrs sdsc sdsf sdss sdsu sfcc sfco sfcs sfdc sffc sfor sfos sfrc sfro sfss sfsu sfts soco socr socs sodd sodo sods sodu sofo soft sood soof soor soos soot sord soro sorr sors sort soru soso soss sost sotc soto sots sotu soud souf sour sous sout srcc srct srfc sros srsd srtr sscc sscs ssdc ssdd ssdf ssfc ssoc ssot ssrc ssrs sssc sssf ssss sstc sstd ssts stcc stcs stcu stds stfc stfu stod stof stoo stor stos stot stou strc strd stro strs stru stsf stss sttc sttd sttr stuc stud stuf stur stus stut suc- succ sucr sucs sudd sudo suds suf- sufc suff sufr sufs sufu suor suos sur- surc surd surf suro surr surs surt suru sus- susd suso suss sust susu suto sutu suus tccc tccu tcdd tcfc tcos tctc tcts tdff tdor tdss tfcu tfdc tfot tfrs tfsd tfss tftc toco todd todo tods todt todu toff tofo toft tofu tood toof toor toos toot torc tord torf toro torr tors tort toru tosc toso toss tost tosu totc totd toto totr tots tott tour tous tout trcc trfc trfd trfr troc trod troo tros trot trou trsd trst trtc trtr truc trud trus trut truu tscc tsfc tsos tsou tssf tssr tsst tstc tsts ttfc ttff ttss tttt tucc tuco tudu tufc tuff tufo tuft tufu tuor tuos turc turd turf turo turr turs turt turu tusc tusd tuss tust tuto tuts tutt tutu tuuo ucdc ucdd ucos ucrc ucsc ucsd ucsf ucst ucsu ucut udds udoo udos udot udsd udts ufcu ufos uocc uofo uor- urds urdu urff urft uro- uroo urso urss ursu urts urur urus urut uscc uscf usco uscs usdc usdf usdo usds usdt usfc usfs usoc usos ussc ussf ussr usss usst ussu ustc usto usts usus utfo utor utsc utto uttu uuoc uutf uuuu