-ic c-- ccc cci ccn ccs cct ci- cic cii cin cis cit cn- cnc cni cnn cns cnt csc csi csn css cst ctc cti ctn cts ctt icc ici icn ics ict iic iii iin iis iit in- inc ini inn ins int is- isc isi isn iss ist itc iti itn its itt n-i ncc nci ncn ncs nct nic nii nin nis nit nnc nni nnn nns nnt nsc nsi nsn nss nst ntc nti ntn nts ntt scc sci scn scs sct sic sii sin sis sit snc sni snn sns snt ss- ssc ssi ssn sss sst stc sti stn sts stt tcc tci tcn tcs tct tic tii tin tis tit tnc tni tnn tns tnt tsc tsi tsn tss tst ttc tti ttn tts ttt