-ic c-- ccc ccf cci cck ccl ccn ccs cfc cff cfi cfk cfl cfn cfs ci- cic cif cii cik cil cin cis ckc cki cks cl- clc clf cli clk cll cln cls cn- cnc cnf cni cnl cnn cns csc csf csi csk csl csn css fcc fcf fci fck fcl fcn fcs ffc fff ffi ffk ffl ffn ffs fic fif fii fik fil fin fis fkc fkf fki fkk fkl flc flf fli fll fln fls fnc fnf fni fnk fnl fnn fns fsc fsf fsi fsk fsl fsn fss i-f icc icf ici ick icl icn ics ifc iff ifi ifl ifn ifs iic iif iii iil iin iis ikc ikf iki ikk ikl iks il- ilc ilf ili ilk ill iln ils in- inc inf ini ink inl inn ins is- isc isf isi isk isl isn iss kcc kci kck kcl kcn kcs kfc kff kfi kfs kic kif kii kik kil kin kis kkc kki kkk kkl kkn kks kl- klc klf kli kls kn- knc knf kni knk knl knn ksc ksf ksi ksk ksl ksn kss lcc lcf lci lck lcl lcn lcs lfc lff lfi lfk lfl lfn lfs lic lif lii lik lil lin lis lkl lks llc llf lli llk lll lln lls lnc lni lnk lnl lnn lns lsc lsf lsi lsk lsl lsn lss n-i ncc ncf nci nck ncl ncn ncs nfc nff nfi nfk nfl nfn nfs nic nif nii nik nil nin nis nkc nkf nki nkk nkn nks nlc nlf nli nlk nll nln nls nnc nnf nni nnk nnl nnn nns nsc nsf nsi nsk nsl nsn nss scc scf sci sck scl scn scs sfc sff sfi sfk sfl sfn sfs sic sif sii sik sil sin sis sk- skc skf ski skk skl sks slc slf sli slk sll sln sls snc snf sni snk snl snn sns ss- ssc ssf ssi ssk ssl ssn sss