c-- ccc cck ccn cco ccs cct ccu ckc cko cks ckt cn- cnc cnn cno cns cnt cnu co- coc cok con coo cos cot cou csc csk csn cso css cst csu ctc ctk ctn cto cts ctt ctu cuc cuk cun cuo cus cut cuu k-t kcc kck kcn kcs kct kcu kkc kkk kkn kks kkt kku kn- knc knk knn kno knt knu koc kok kon koo kos kot kou ksc ksk ksn kso kss kst ksu ktc ktk ktn kto kts ktt ktu kuc kuk kun kus kut kuu ncc nck ncn nco ncs nct ncu nkc nkk nkn nko nks nkt nku nnc nnk nnn nno nns nnt nnu no- noc nok non noo nos not nou nsc nsk nsn nso nss nst nsu ntc ntk ntn nto nts ntt ntu nuc nuk nun nuo nus nut nuu oc- occ ock ocn oco ocs oct ocu okc okk oko oks oku on- onc onk onn ono ons ont onu oo- ooc ook oon ooo oos oot os- osc osk osn oso oss ost osu ot- otc otk otn oto ots ott otu ou- ouc ouk oun ouo ous out scc sck scn sco scs sct scu sk- skc skk sko sks skt sku snc snk snn sno sns snt snu soc sok son soo sos sot sou ss- ssc ssk ssn sso sss sst ssu stc stk stn sto sts stt stu suc suk sun suo sus sut suu tcc tck tcn tco tcs tct tcu tkc tkk tko tks tkt tnc tnk tnn tno tns tnt to- toc tok ton too tos tot tou tsc tsk tsn tso tss tst tsu ttc ttk ttn tto tts ttt ttu tuc tuk tun tuo tus tut tuu ucc uck ucn uco ucs uct ucu ukc ukk ukn uku un- unc unk unn uno uns unt unu uoc uok uon uoo uos uot usc usk usn uso uss ust usu utc utk utn uto uts utt utu uuc uun uus uut uuu