-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 ckck ckco ckcs ckdo ckdu ckoc ckoo ckor ckos ckot ckrc ckrd ckso ckst ckts cock coco coct cocu codd cods cok- coko cood cook coos coot cor- corc cord cork coro corr cors cort cosc coso coss cost cotc coto cots cott cotu coud couk cour cous cout crcc crcr crdc crkc croc crod crok croo cror crot crrt crss crst crtc crts crud cruk crus crut cscc cscd csco cscr cscs csdr csks 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 cuck cuds cuk- curd curo curr curs curt cusd cusk cuso cuss cust cusu cut- cutc cuto cuts cutt dccc dccs dcct dccu dcds dcos dcrk dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dkdc dock doco docs doct docu dod- dodd dodo dods doko dood dook door doos doot dorc dord dork doro dorr dors dort doru dosk doso doss dost dotd dotk doto dots dott douc doud douk dour dous dout drod drot drou drrs druk drus drut druu dscc dscr dscs dsdr dsos dsrc dsrr dssc dsst dstc dsto dsts dtcc dtor dtot dtss duck duco ducs duct dudd dudo duds dudu dukt duku duo- duos durk duro durt duru dusk dust duts duur duut k-os kccc kccd kcck kccr kcct kccu kcdc kcdd kcdr kcds kcdu kckc kckk kcko kckr kcor kcos kcot kcou kcrc kcro kcrr kcrs kcrt kcru kcsc kcsd kcsr kcss kcst kcsu kctc kcto kctu kcuk kdcc kdcd kdco kdcr kddc kddd kddk kddr kdkd kdkk kdko kdkr kdkt kdoc kdok kdot kdro kdrs kdsc kdsd kdsk kdsr kdss kdst kdsu kdtd kdtr kduc kdur kdus kdut kkcd kkck kkco kkcr kkcs kkct kkdc kkdd kkdo kkdt kkkk kkoo kkor kkot kkrc kkrk kkro kkrr kkrs kkrt kksd kksr kkss kkst kksu kktc kktk kkts kktu kkus kkut kkuu kocd kock kocs koct kodk kodo kods kodt kodu kokc kokk koko kokr koks koku kooc kook kooo koor koos koot koou korc kord kork koro korr kors kort koru kos- kosc kosd koso kosr koss kost kosu kotc kotd kotk koto kotr kots kott kotu kour kous kout kouu krcc krcd krco krcs krcu krdc krdd krdo krdr krds krdu krkc krkd krkk krko krkr krks krku kroc krod krok kroo kror kros krrc krrk krro krrr krrs krrt krsc krsd krsk krsr krss krst krsu krtc krtk krto krtr krts kruc kruk krur ksck ksco kscr kscs kscu ksdc ksdk ksdr ksds kskd kskk ksko kskr ksks ksku ksoc ksok ksoo ksor ksos ksou ksro ksrr ksrs ksrt ksso kssr ksss ksst kssu kstc kstk ksto kstr ksts kstt kstu ksud ksut ksuu ktcc ktck ktco ktcr ktcs ktdc ktdd ktdk ktdo ktdr ktkc ktkk ktko ktkr ktks ktkt ktku ktoc ktok ktoo ktor ktot ktrc ktrk ktro ktrr ktrs ktrt ktru ktsc ktsd ktso ktsr ktst ktsu kttc kttk ktto kttr ktts kttt kttu ktuc kucc kucd kuco kucr kudd kudo kudu kukk kuks kuku kuok kuoo kuos kurd kurk kuro kurr kurs kurt kuru kusc kusd kuso kust kusu kuto kutr kuts kutt kutu kuuk kuur kuuu occc occt ocds ocks ocos ocro ocrr ocrs oct- octo octs ocur oddd odds odoo odor odos odot odou odso odts odtu odur odus okcu okko okok okor okot okro okso okto okur okus oocr ooku oooo ooos oord oort oost oots oous orco orcs ordo ords ordu orko oro- orok oror oros orot orro orrs orsk orso orsu ortc orto orts orus oscc osco osku osoo osor osos osrd osro ossd osso ossu ostc ostr osts otcd oto- otok 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 rkos rkss rkts rocc rock roco rocs rodd rodo rods rokk roko rokr roks roku rood rook roor roos root rorc rork roro rort roru rosc roso ross rost rotc rotk roto rotr rots rott roud rouk rous rout rrrr rscc rscs rsdd rsds rsos rsts rstu rtcc rtdt rtss rtts ruck ruct rudd rudo ruds rukk ruku ruok rurc rurd ruro rurs ruru rusk ruso russ rust rusu ruto ruts rutt rutu ruud s-os sccc sccs scct scdc scds sck- scok 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 skor skot skrt sksd skss skud skur skut sock soco socr socs sodd sodo sods sodu sokk soko soku sood sook soor soos soot sord soro sorr sors sort soru soso soss sost sotc sotk soto sots sotu soud souk 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 stks stod stok stoo stor stos stot stou strc strd strk stro strs stru stss sttc sttd sttr stuc stud stuk stur stus stut suc- succ suck sucr sucs sudd sudo suds suks suku suor suos sur- surc surd suro surr surs surt suru sus- susd susk suso suss sust susu suto sutu suus tccc tccu tcdd tcos tctc tcts tdkr tdor tdss tkod tkos tkts tock toco todd todo tods todt todu toko toku tood took toor toos toot torc tord tork toro torr tors tort toru tosc tosk toso toss tost tosu totc totd toto totr tots tott touk tour tous tout trcc troc trod troo tros trot trou trsd trst trtc trtr truc trud truk trus trut truu tscc tsks tsos tsou tssr tsst tstc tsts ttss tttt tucc tuck tuco tudu tuko tuks tuor tuos turc turd turk turo turr turs turt