c-- ccc cck ccn cco cct ccu ckc cko ckt cn- cnc cnn cno cnt cnu co- coc cok con coo cot cou ctc ctk ctn cto ctt ctu cuc cuk cun cuo cut cuu k-t kcc kck kcn kct kcu kkc kkk kkn kkt kku kn- knc knk knn kno knt knu koc kok kon koo kot kou ktc ktk ktn kto ktt ktu kuc kuk kun kut kuu ncc nck ncn nco nct ncu nkc nkk nkn nko nkt nku nnc nnk nnn nno nnt nnu no- noc nok non noo not nou ntc ntk ntn nto ntt ntu nuc nuk nun nuo nut nuu oc- occ ock ocn oco oct ocu okc okk oko oku on- onc onk onn ono ont onu oo- ooc ook oon ooo oot ot- otc otk otn oto ott otu ou- ouc ouk oun ouo out tcc tck tcn tco tct tcu tkc tkk tko tkt tnc tnk tnn tno tnt to- toc tok ton too tot tou ttc ttk ttn tto ttt ttu tuc tuk tun tuo tut tuu ucc uck ucn uco uct ucu ukc ukk ukn uku un- unc unk unn uno unt unu uoc uok uon uoo uot utc utk utn uto utt utu uuc uun uut uuu