-ic c-- ccc ccg cci cck ccp ccs cgc cgg cgi cgp cgs ci- cic cig cii cik cip cis ckc cki cks cpc cpg cpi cpk cpp cps csc csg csi csk csp css g-p gcc gcg gci gck gcp gcs ggc ggg ggi ggp ggs gic gig gii gik gip gis gkp gks gpc gpg gpi gpk gpp gps gsc gsg gsi gsk gsp gss icc icg ici ick icp ics igc igg igi igk igp igs iic iii iip iis ikc iki ikk iks ipc ipg ipi ipp ips is- isc isg isi isk isp iss kcc kcg kci kck kcp kcs kgc kgi kgp kgs kic kig kii kik kip kis kkc kki kkk kkp kks kpc kpi kpk kpp kps ksc ksg ksi ksk ksp kss p-p pcc pcg pci pck pcp pcs pgc pgg pgi pgk pgp pgs pic pig pii pik pip pis pkc pkg pki pkp pks ppc ppg ppi ppk ppp pps ps- psc psg psi psk psp pss scc scg sci sck scp scs sgc sgg sgi sgk sgp sgs sic sig sii sik sip sis sk- skc skg ski skk skp sks spc spg spi spk spp sps ss- ssc ssg ssi ssk ssp sss