cccc cccu ccnc ccnu ccoc cctc cctt ccuc ccut ckck ckco cknc cknt ckoc ckoo ckot cnco cntc cntk cnut cock coco coct cocu cok- coko con- conc conk conn cono cont cook coon coot cotc cotn coto cott cotu couk coun cout ctot cttn cucc cuck cucn cuk- cuno cunt cuon cut- cutc cuto cutt kccc kcck kcct kccu kckc kckk kckn kcko kcno kcnt kcon kcot kcou kctc kctn kcto kctu kcuk kkck kkcn kkco kkct kkkk kknn kkno kknt kknu kkon kkoo kkot kktc kktk kktu kkut kkuu knck kncn knco knct kncu knkk knkt knnk knoc knok knon knot knou kntk kntn knto kntu knuk knut kock kocn koct kokc kokk kokn koko koku konc konk kono kont kooc kook koon kooo koot koou kotc kotk kotn koto kott kotu kout kouu ktcc ktck ktco ktkc ktkk ktkn ktko ktkt ktku ktnc ktnk ktnn ktno ktnt ktoc ktok kton ktoo ktot kttc kttk kttn ktto kttt kttu ktuc ktun kucc kuco kukk kukn kuku kunc kunk kuno kunt kunu kuok kuon kuoo kuto kutt kutu kuuk kuuu nccc nccn ncct nccu ncnc ncoc nctc ncuk nknt nkok nnnn nnot nntn nock noco noct noko non- nonn nono nont nonu noo- nook noon nooo noot not- noto nott noun nout ntcc ntnu ntto ntuc nuck nucu nuku nunc nunk nunn nuno nunt nuoc nuon nutt nutu nuuk occc occn occt ocon oct- octo okcu okko okno okok okon okot okto okun onc- onco onct onno onon ont- ontc onto onut ooku oont oooo oto- otok oton otoo otto ottu oucc oun- out- outo ouu- tccc tccu tcnn tcon tctc tkon tncc tnut tock toco toko toku tonk tonn tono tonu took toon toot totc toto tott touk toun tout ttcn tton tttt tucc tuck tuco tuko tunc tunk tunn tuno tunu tuto tutt tutu tuuo ucon ucut ukcc ukko uknc ukok ukon uncc unco unct unkn unko unno unon unto unut uocc utto uttu uuno uuoc uuuu