c-cd cccc cccf cccl cccu ccdc ccdf ccfc ccfd ccff ccfl cclc ccoc ccod ccuc cddl cfcf cfcl cfco ckck ckcl ckco ckdo ckdu cklf ckoc ckoo clcd cldc clod clof clok cloo clou clud cock coco cocu codd codl cofc coff cok- coko col- cold colk coll colo colu cood coof cook cool coud couk coul cucc cuck cufc cuff cufo cuk- culc culd culk cull culo dccc dccl dccu dcfc dddd ddlc ddoc dfcc dfco dfcu dkdc dlco dock doco docu dod- dodd dodo doff doko dold dolf dolk doll dolo dolu dood doof dook dool douc doud douf douk doul duck duco dudd dudo dudu dufc duff dufu duku dulc dull dulo dulu duo- duul f--k fccf fcuk fdoc ffcc ffff flcl floc flod flok floo flou flud fluf fluo fock foco fofo folc fold folk foll folo food foof fook fool foud foul fuc- fuck fudd fufc fuff fufu fukk fuko fuku fulk full fulu k-lo kccc kccd kcck kccl kccu kcdc kcdd kcdu kcfc kcfd kcfl kcfo kckc kckf kckk kckl kcko kclc kclf kclk kcll kclu kcof kcol kcou kcuf kcuk kcul kdcc kdcd kdco kddc kddd kddf kddk kddl kdfc kdfo kdkd kdkk kdko kdlc kdld kdlf kdll kdlo kdoc kdok kduc kfcd kfcf kfco kfff kffk kflc kfld kflf kfll kflo kfok kfoo kful kfuo kkcd kkck kkcl kkco kkdc kkdd kkdl kkdo kkkk kklc kkld kklf kkll kklo kkol kkoo kkuu klcc klcd klck klcl kldc kldd klfc klfd klff klkc klkk klkl klko kllc kllk kloc klok klol kloo klou kluf kluk kluu kocd kocf kock kodk kodl kodo kodu kofc koff kofk kofo kofu kokc kokf kokk koko koku kolc kold kolf kolk koll kolo kolu kooc kook kool kooo koou koul kouu kucc kucd kuco kudd kudl kudo kudu kufc kuff kufo kukk kukl kuku kuld kulf kull kulo kulu kuok kuol kuoo kuuk kuul kuuu lccc lcdd lcfc ldcf lfcc llcc lldc lllc llll lloc llod lloo llud locc lock loco locu loff lokk loko lold loll lolo looc lood loof look lool loud louk loul louu luck ludd ludo luff lufu luko lull lulu luuk occc oclc ocul oddd odoo odou ofcl off- offc offo offu okcu okko oklo okok okol okul olcc ollo olof ooff ooku oold oolo oooo oucc oudc oufc ouff ould oulk oulu ouu- ucdc ucdd udoo uduk ufcu ufuk ukcc ukko ukok ulcc ulco ullo ulo- uloc uluk ulul uocc uofl uofo uolc uulu uuoc uuuu