-ic c-- ccc cci cck ccl ccn ccr ccs ci- cic cii cik cil cin cir cis ckc cki cks cl- clc cli clk cll cln clr cls cn- cnc cni cnl cnn cnr cns crc cri crk crl crn crr crs csc csi csk csl csn csr css icc ici ick icl icn icr ics iic iii iil iin iir iis ikc iki ikk ikl ikr iks il- ilc ili ilk ill iln ilr ils in- inc ini ink inl inn inr ins ir- irc iri irk irl irn irr irs is- isc isi isk isl isn isr iss kcc kci kck kcl kcn kcr kcs kic kii kik kil kin kir kis kkc kki kkk kkl kkn kkr kks kl- klc kli klr kls kn- knc kni knk knl knn knr krc kri krk krl krn krr krs ksc ksi ksk ksl ksn ksr kss lcc lci lck lcl lcn lcr lcs lic lii lik lil lin lir lis lkl lkr lks llc lli llk lll lln llr lls lnc lni lnk lnl lnn lnr lns lrc lri lrk lrn lrr lrs lsc lsi lsk lsl lsn lsr lss n-i ncc nci nck ncl ncn ncr ncs nic nii nik nil nin nir nis nkc nki nkk nkn nkr nks nlc nli nlk nll nln nlr nls nnc nni nnk nnl nnn nns nrc nri nrk nrl nrn nrr nrs nsc nsi nsk nsl nsn nsr nss rcc rci rcl rcn rcr rcs ric rii rik ril rin rir ris rkc rkk rks rlc rli rll rln rlr rls rnc rni rnn rnr rns rrc rri rrk rrl rrn rrr rrs rsc rsi rsk rsl rsn rsr rss scc sci sck scl scn scr scs sic sii sik sil sin sir sis sk- skc ski skk skl skr sks slc sli slk sll sln slr sls snc sni snk snl snn snr sns sr- src sri srk srl srn srr srs ss- ssc ssi ssk ssl ssn ssr sss