c-- ccc cck ccn ccr cct ccu ckc ckt cn- cnc cnn cnr cnt cnu crc crk crn crr crt cru ctc ctk ctn ctr ctt ctu cuc cuk cun cur cut cuu k-t kcc kck kcn kcr kct kcu kkc kkk kkn kkr kkt kku kn- knc knk knn knr knt knu krc krk krn krr krt kru ktc ktk ktn ktr ktt ktu kuc kuk kun kur kut kuu ncc nck ncn ncr nct ncu nkc nkk nkn nkr nkt nku nnc nnk nnn nnt nnu nrc nrk nrn nrr nrt nru ntc ntk ntn ntr ntt ntu nuc nuk nun nur nut nuu rcc rcn rcr rct rcu rkc rkk rkt rku rnc rnn rnr rnt rnu rrc rrk rrn rrr rrt rru rtc rtk rtn rtr rtt rtu ruc ruk run rur rut ruu tcc tck tcn tcr tct tcu tkc tkk tkr tkt tnc tnk tnn tnr tnt trc trk trn trr trt tru ttc ttk ttn ttr ttt ttu tuc tuk tun tur tut tuu ucc uck ucn ucr uct ucu ukc ukk ukn ukr uku un- unc unk unn unr unt unu ur- urc urk urn urr urt uru utc utk utn utr utt utu uuc uun uur uut uuu