-ic c-- ccc cci ccn ccr cct ci- cic cii cin cir cit cn- cnc cni cnn cnr cnt crc cri crn crr crt ctc cti ctn ctr ctt icc ici icn icr ict iic iii iin iir iit in- inc ini inn inr int ir- irc iri irn irr irt itc iti itn itt n-i ncc nci ncn ncr nct nic nii nin nir nit nnc nni nnn nnt nrc nri nrn nrr nrt ntc nti ntn ntr ntt rcc rci rcn rcr rct ric rii rin rir rit rnc rni rnn rnr rnt rrc rri rrn rrr rrt rtc rti rtn rtr rtt tcc tci tcn tcr tct tic tii tin tir tit tnc tni tnn tnr tnt trc tri trn trr trt ttc tti ttn ttr ttt