c-- ccc cck ccn cco ccr cct ccu ckc cko ckt cn- cnc cnn cno cnr cnt cnu co- coc cok con coo cor cot cou crc crk crn cro crr crt cru ctc ctk ctn cto ctr ctt ctu cuc cuk cun cuo cur cut cuu k-t kcc kck kcn kcr kct kcu kkc kkk kkn kkr kkt kku kn- knc knk knn kno knr knt knu koc kok kon koo kor kot kou krc krk krn kro krr krt kru ktc ktk ktn kto ktr ktt ktu kuc kuk kun kur kut kuu ncc nck ncn nco ncr nct ncu nkc nkk nkn nko nkr nkt nku nnc nnk nnn nno nnt nnu no- noc nok non noo nor not nou nrc nrk nrn nro nrr nrt nru ntc ntk ntn nto ntr ntt ntu nuc nuk nun nuo nur nut nuu oc- occ ock ocn oco ocr oct ocu okc okk oko okr oku on- onc onk onn ono onr ont onu oo- ooc ook oon ooo oor oot or- orc ork orn oro orr ort oru ot- otc otk otn oto otr ott otu ou- ouc ouk oun ouo our out rcc rcn rco rcr rct rcu rkc rkk rko rkt rku rnc rnn rno rnr rnt rnu roc rok ron roo ror rot rou rrc rrk rrn rrr rrt rru rtc rtk rtn rto rtr rtt rtu ruc ruk run ruo rur rut ruu tcc tck tcn tco tcr tct tcu tkc tkk tko tkr tkt tnc tnk tnn tno tnr tnt to- toc tok ton too tor tot tou trc trk trn tro trr trt tru ttc ttk ttn tto ttr ttt ttu tuc tuk tun tuo tur tut tuu ucc uck ucn uco ucr uct ucu ukc ukk ukn ukr uku un- unc unk unn uno unr unt unu uoc uok uon uoo uor uot ur- urc urk urn uro urr urt uru utc utk utn uto utr utt utu uuc uun uur uut uuu