c-cd cccc cccu ccdc ccoc ccod cctc cctt ccuc ccut cdot ckck ckco ckdo ckdu ckoc ckoo ckot cock coco coct cocu codd cok- coko cood cook coot cotc coto cott cotu coud couk cout ctot cucc cuck cuk- cut- cutc cuto cutt dccc dcct dccu dctc dddd ddoc ddot dkdc dock doco doct docu dod- dodd dodo doko dood dook doot dotd dotk doto dott douc doud douk dout dtcc dtot duck duco duct dudd dudo dudu dukt duku duo- duut kccc kccd kcck kcct kccu kcdc kcdd kcdu kckc kckk kcko kcot kcou kctc kcto kctu kcuk kdcc kdcd kdco kddc kddd kddk kdkd kdkk kdko kdkt kdoc kdok kdot kdtd kduc kdut kkcd kkck kkco kkct kkdc kkdd kkdo kkdt kkkk kkoo kkot kktc kktk kktu kkut kkuu kocd kock koct kodk kodo kodt kodu kokc kokk koko koku kooc kook kooo koot koou kotc kotd kotk koto kott kotu kout kouu ktcc ktck ktco ktdc ktdd ktdk ktdo ktkc ktkk ktko ktkt ktku ktoc ktok ktoo ktot kttc kttk ktto kttt kttu ktuc kucc kucd kuco kudd kudo kudu kukk kuku kuok kuoo kuto kutt kutu kuuk kuuu occc occt oct- octo oddd odoo odot odou odtu okcu okko okok okot okto ooku oooo otcd oto- otok otoo otto ottu oucc oudc out- outo ouu- tccc tccu tcdd tctc tkod tock toco todd todo todt todu toko toku tood took toot totc totd toto tott touk tout tttt tucc tuck tuco tudu tuko tuto tutt tutu tuuo ucdc ucdd ucut udoo udot uduk ukcc ukko ukok uocc utto uttu uuoc uuuu