c-cd cccc cccl cccu ccdc ccdr cclc ccoc ccod ccrc ccrl ccrt cctc cctl cctt ccuc ccut cd-r cddl cddr cdot ckck ckcl ckco ckdo ckdu ckoc ckoo ckor ckot ckrc ckrd clcd cldc cldr clod clok cloo clor clot clou clrd clro cltc clud clut cock coco coct cocu codd codl cok- coko col- cold colk coll colo colt colu cood cook cool coot cor- corc cord cork corl coro corr cort cotc coto cott cotu coud couk coul cour cout crcc crcr crdc crkc crkl croc crod crok crol croo cror crot crrt crtc crtl crud cruk crut ctol ctor ctot ctrc ctrl cucc cuck cuk- culc culd culk cull culo cult curd curl curo curr curt cut- cutc cuto cutt dccc dccl dcct dccu dcrk dctc dddd ddlc ddoc ddot ddrc dkdc dlco dock doco doct docu dod- dodd dodo doko dold dolk doll dolo dolt dolu dood dook dool door doot dorc dord dork doro dorr dort doru dotd dotk doto dott douc doud douk doul dour dout drod drol drot drou druk drut druu dtcc dtor dtot dtrl duck duco duct dudd dudo dudu dukt duku dulc dull dulo dult dulu duo- durk duro durt duru duul duur duut k-lo kccc kccd kcck kccl kccr kcct kccu kcdc kcdd kcdr kcdu kckc kckk kckl kcko kckr kclc kclk kcll kclr kclt kclu kcol kcor kcot kcou kcrc kcro kcrr kcrt kcru kctc kcto kctu kcuk kcul kdcc kdcd kdco kdcr kddc kddd kddk kddl kddr kdkd kdkk kdko kdkr kdkt kdlc kdld kdll kdlo kdlr kdoc kdok kdot kdrl kdro kdtd kdtr kduc kdur kdut kkcd kkck kkcl kkco kkcr kkct kkdc kkdd kkdl kkdo kkdt kkkk kklc kkld kkll kklo kkol kkoo kkor kkot kkrc kkrk kkrl kkro kkrr kkrt kktc kktk kktl kktu kkut kkuu klcc klcd klck klcl klcr kldc kldd kldr klkc klkk klkl klko klkr kllc kllk kloc klok klol kloo klor klou klrc klrd klrk klrr klru kltc kltd kltk klto kltr kltt kluk klur kluu kocd kock koct kodk kodl kodo kodt kodu kokc kokk koko kokr koku kolc kold kolk koll kolo kolr kolt kolu kooc kook kool kooo koor koot koou korc kord kork korl koro korr kort koru kotc kotd kotk koto kotr kott kotu koul kour kout kouu krcc krcd krcl krco krcu krdc krdd krdo krdr krdu krkc krkd krkk krko krkr krku krlc krld krlt kroc krod krok krol kroo kror krrc krrk krrl krro krrr krrt krtc krtk krto krtr kruc kruk krul krur ktcc ktck ktcl ktco ktcr ktdc ktdd ktdk ktdo ktdr ktkc ktkk ktko ktkr ktkt ktku ktlk ktlo ktlr ktlt ktlu ktoc ktok ktoo ktor ktot ktrc ktrk ktrl ktro ktrr ktrt ktru kttc kttk ktto kttr kttt kttu ktuc ktul kucc kucd kuco kucr kudd kudl kudo kudu kukk kukl kuku kuld kull kulo kult kulu kuok kuol kuoo kurd kurk kurl kuro kurr kurt kuru kuto kutr kutt kutu kuuk kuul kuur kuuu lccc lcdd lcdr lcor lcrd lcrl lctl lcto llcc lldc lllc llll lloc llod lloo llud locc lock loco locu lokk loko lold loll lolo looc lood look lool loor loot lord lork loro lotd lotl loto lotr lott loud louk loul lour lout louu lrdd lroc lrrc lrrr ltcc lttc lttr ltuc luck ludd ludo luko lull lulu lurd lurk lurt luuk occc occt oclc ocrl ocro ocrr oct- octo ocul ocur oddd odoo odor odot odou odrl odtu odur okcu okko oklo okok okol okor okot okro okto okul okur olcc ollo olor olot oltu olur oocr ooku oold oolo oooo oord oort orco ordo ordu orko orlo orlu oro- orok oror orot orro ortc orto otcd otcl oto- otok otoo otor otro otto ottu otur oucc oudc ould oulk oulu our- ouro ourt out- outo ouu- rccc rcdc rcrd rctc rdoc rldt rocc rock roco rodd rodo rokk roko rokr roku rold rolk roll rolo rolt rood rook rool roor root rorc rork roro rort roru rotc rotk rotl roto rotr rott roud rouk roul rout rrrr rtcc rtdt rtlt ruck ruct rudd rudl rudo rukk ruku rulk rull rulo ruok rurc rurd ruro ruru rutl ruto rutt rutu ruud tccc tccu tcdd tctc tcul tdkr tdor tkod tkol tlco tldr tock toco todd todo todt todu toko toku tol- told tolk toll tolo tolt tolu tood took tool toor toot torc tord tork toro torr tort toru totc totd toto totr tott touk toul tour tout trcc trcl troc trod troo trot trou trtc trtr truc trud truk trut truu tttt ttul tucc tuck tuco tudu tuko tulk tull tulo tulu tuor turc turd turk turo turr turt turu tutl tuto tutt tutu tuuo ucdc ucdd ucrc ucut udoo udot uduk ukcc ukko ukok ukrc ukur ulcc ulco ullo ullr ulo- uloc ulto ultt uluk ulul uocc uolc uor- urdu uro- urok urol uroo uruk urur urut utor utto uttu uulu uuoc uuuu