c-cd cccc cccu ccdc ccdn ccnc ccnu ccoc ccod cctc cctt ccuc ccut cdnc cdon cdot cnco cndd cntc cnut coco coct cocu codd con- conc cond conn cono cont cood coon coot cotc cotn coto cott cotu coud coun cout ctot cttn cucc cucn cund cuno cunt cuon cut- cutc cuto cutt dccc dcct dccu dcon dctc dddd ddoc ddot dnoc dntt dnut doco doct docu dod- dodd dodo donc dond donn dono dont dood doon doot dotd doto dott douc doud doun dout dtcc dtot duco duct dudd dudo dudu dunc dunn duno dunt duo- duon duut nccc nccn ncct nccu ncdc ncdn ncdu ncnc ncnd ncoc nctc ndcc nddo ndnt ndoc ndtc ndut nnnn nnot nntn noco noct nodo nodu non- nonn nono nont nonu noo- noon nooo noot not- noto nott noun nout ntcc ntnd ntnu ntto ntuc nucu nudc nudd nudo nunc nunn nuno nunt nuoc nuon nutt nutu occc occn occt ocon oct- octo oddd odon odoo odot odou odtu onc- oncd onco onct ondo onno onod onon ont- ontc onto onut oont oooo otcd oto- oton otoo otto ottu oucc oudc oun- ound out- outo ouu- tccc tccu tcdd tcnn tcon tctc tncc tndd tnut toco todd todo todt todu tonn tono tonu tood toon toot totc totd toto tott toun tout ttcn tton tttt tucc tuco tudu tunc tund tunn tuno tunu tuto tutt tutu tuuo ucdc ucdd ucon ucut udon udoo udot udun uncc unco unct undo unno unon unto unut uocc utto uttu uuno uuoc uuuu