-ous c-cd cccc cccs cccu ccdc ccdr ccds ccoc ccod ccrc ccrs ccrt ccsd ccss ccst cctc cctt ccuc ccus ccut cd-r cdcs cddr cdos cdot cdrs cdss coco coct cocu codd cods cood coos coot cor- corc cord coro corr cors cort cosc coso coss cost cotc coto cots cott cotu coud cour cous cout crcc crcr crdc croc crod croo cror crot crrt crss crst crtc crts crud crus crut cscc cscd csco cscr cscs csdr csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts csur csus ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cucc cuds curd curo curr curs curt cusd cuso cuss cust cusu cut- cutc cuto cuts cutt dccc dccs dcct dccu dcds dcos dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts doco docs doct docu dod- dodd dodo dods dood door doos doot dorc dord doro dorr dors dort doru doso doss dost dotd doto dots dott douc doud dour dous dout drod drot drou drrs drus drut druu dscc dscr dscs dsdr dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtor dtot dtss duco ducs duct dudd dudo duds dudu duo- duos duro durt duru dust duts duur duut occc occt ocds ocos ocro ocrr ocrs oct- octo octs ocur oddd odds odoo odor odos odot odou odso odts odtu odur odus oocr oooo ooos oord oort oost oots oous orco orcs ordo ords ordu oro- 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 oto- otoo otor otos otro otrs otso otsu otto otts ottu otur otus oucc oudc ouds our- ouro ours ourt ousd oust out- outo outs ouu- rccc rccs rcdc rcds rcos rcrd rcsc rcsd rcss rctc rcts rdoc rdos rdso rocc roco rocs rodd rodo rods rood roor roos root rorc roro rort roru rosc roso ross rost rotc roto rotr rots rott roud rous rout rrrr rscc rscs rsdd rsds rsos rsts rstu rtcc rtdt rtss rtts ruct rudd rudo ruds rurc rurd ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu ruud s-os sccc sccs scct scdc scds scoo scor scot scr- scrc scrs scsc scsd scso scsr scst scsu sctc sctd scto sctr scts scud scur scut sdcc sdco sddc sdds sdot sdrc sdrs sdsc sdss sdsu soco socr socs sodd sodo sods sodu sood soor soos soot sord soro sorr sors sort soru soso soss sost sotc soto sots sotu soud sour sous sout srcc srct sros srsd srtr sscc sscs ssdc ssdd ssoc ssot ssrc ssrs sssc ssss sstc sstd ssts stcc stcs stcu stds stod stoo stor stos stot stou strc strd stro strs stru stss sttc sttd sttr stuc stud stur stus stut suc- succ sucr sucs sudd sudo suds suor suos sur- surc surd suro surr surs surt suru sus- susd suso suss sust susu suto sutu suus tccc tccu tcdd tcos tctc tcts tdor tdss toco todd todo tods todt todu tood toor toos toot torc tord toro torr tors tort toru tosc toso toss tost tosu totc totd toto totr tots tott tour tous tout trcc troc trod troo tros trot trou trsd trst trtc trtr truc trud trus trut truu tscc tsos tsou tssr tsst tstc tsts ttss tttt tucc tuco tudu tuor tuos turc turd turo turr turs turt turu tusc tusd tuss tust tuto tuts tutt tutu tuuo ucdc ucdd ucos ucrc ucsc ucsd ucst ucsu ucut udds udoo udos udot udsd udts uocc uor- urds urdu uro- uroo urso urss ursu urts urur urus urut uscc usco uscs usdc usdo usds usdt usoc usos ussc ussr usss usst ussu ustc usto usts usus utor utsc utto uttu uuoc uuuu