-ic c-- ccc cci ccn ccp ccs cct ci- cic cii cin cip cis cit cn- cnc cni cnn cnp cns cnt cpc cpi cpn cpp cps cpt csc csi csn csp css cst ctc cti ctn ctp cts ctt icc ici icn icp ics ict iic iii iin iip iis iit in- inc ini inn inp ins int ipc ipi ipn ipp ips ipt is- isc isi isn isp iss ist itc iti itn itp its itt n-i ncc nci ncn ncp ncs nct nic nii nin nip nis nit nnc nni nnn nnp nns nnt npc npi npn npp nps npt nsc nsi nsn nsp nss nst ntc nti ntn ntp nts ntt p-p pcc pci pcn pcp pcs pct pic pii pin pip pis pit pn- pnc pni pnn pnp pns pnt ppc ppi ppn ppp pps ppt ps- psc psi psn psp pss pst pt- ptc pti ptn ptp pts ptt scc sci scn scp scs sct sic sii sin sip sis sit snc sni snn snp sns snt spc spi spn spp sps spt ss- ssc ssi ssn ssp sss sst stc sti stn stp sts stt tcc tci tcn tcp tcs tct tic tii tin tip tis tit tnc tni tnn tnp tns tnt tpc tpi tpn tpp tps tpt tsc tsi tsn tsp tss tst ttc tti ttn ttp tts ttt