-ic c-- ccc ccg cci cck ccn ccr ccs cgc cgg cgi cgn cgr cgs ci- cic cig cii cik cin cir cis ckc cki cks cn- cnc cng cni cnn cnr cns crc crg cri crk crn crr crs csc csg csi csk csn csr css gcc gcg gci gck gcn gcr gcs ggc ggg ggi ggn ggr ggs gic gig gii gik gin gir gis gkn gks gnc gni gnn gnr gns grc grg gri grk grn grr grs gsc gsg gsi gsk gsn gsr gss icc icg ici ick icn icr ics igc igg igi igk ign igr igs iic iii iin iir iis ikc iki ikk ikr iks in- inc ing ini ink inn inr ins ir- irc irg iri irk irn irr irs is- isc isg isi isk isn isr iss kcc kcg kci kck kcn kcr kcs kgc kgi kgs kic kig kii kik kin kir kis kkc kki kkk kkn kkr kks kn- knc kng kni knk knn knr krc krg kri krk krn krr krs ksc ksg ksi ksk ksn ksr kss n-i ncc ncg nci nck ncn ncr ncs ngc ngg ngi ngk ngn ngs nic nig nii nik nin nir nis nkc nki nkk nkn nkr nks nnc nng nni nnk nnn nns nrc nrg nri nrk nrn nrr nrs nsc nsg nsi nsk nsn nsr nss rcc rcg rci rcn rcr rcs rgc rgg rgi rgk rgn rgr rgs ric rig rii rik rin rir ris rkc rkg rkk rks rnc rng rni rnn rnr rns rrc rrg rri rrk rrn rrr rrs rsc rsg rsi rsk rsn rsr rss scc scg sci sck scn scr scs sgc sgg sgi sgk sgn sgr sgs sic sig sii sik sin sir sis sk- skc skg ski skk skr sks snc sng sni snk snn snr sns sr- src srg sri srk srn srr srs ss- ssc ssg ssi ssk ssn ssr sss