-ic c-- ccc cce ccf cci cck ccl ccn ccs ce- cec cee cef cei cek cel cen ces cfc cfe cff cfi cfk cfl cfn cfs ci- cic cie cif cii cik cil cin cis ckc cki cks cl- clc cle clf cli clk cll cln cls cn- cnc cne cnf cni cnl cnn cns csc cse csf csi csk csl csn css ec- ecc ece ecf eci eck ecl ecn ecs eec eee eef eek eel een ees ef- efc efe eff efi efl efs eic eie eif eii eik eil ein eis ekc eke ekf eki ekl eks elc ele elf eli elk ell eln els en- enc ene enf eni enk enl enn ens es- esc ese esf esi esk esl esn ess fcc fce fcf fci fck fcl fcn fcs fec fee fef fei fek fel fen fes ffc ffe fff ffi ffk ffl ffn ffs fic fie fif fii fik fil fin fis fkc fkf fki fkk fkl flc fle flf fli fll fln fls fnc fne fnf fni fnk fnl fnn fns fsc fse fsf fsi fsk fsl fsn fss i-f icc ice icf ici ick icl icn ics ie- iec iee ief iei iek iel ien ies ifc ife iff ifi ifl ifn ifs iic iie iif iii iil iin iis ikc ike ikf iki ikk ikl iks il- ilc ile ilf ili ilk ill iln ils in- inc ine inf ini ink inl inn ins is- isc ise isf isi isk isl isn iss kcc kce kci kck kcl kcn kcs ke- kec kee kef kei kek kel ken kes kfc kff kfi kfs kic kie kif kii kik kil kin kis kkc kke kki kkk kkl kkn kks kl- klc klf kli kls kn- knc kne knf kni knk knl knn ksc kse ksf ksi ksk ksl ksn kss lcc lce lcf lci lck lcl lcn lcs lec lee lef lei lek lel len les lfc lfe lff lfi lfk lfl lfn lfs lic lie lif lii lik lil lin lis lkl lks llc lle llf lli llk lll lln lls lnc lne lni lnk lnl lnn lns lsc lse lsf lsi lsk lsl lsn lss n-i ncc nce ncf nci nck ncl ncn ncs ne- nec nee nef nei nek nel nen nes nfc nfe nff nfi nfk nfl nfn nfs nic nie nif nii nik nil nin nis nkc nke nkf nki nkk nkn nks nlc nle nlf nli nlk nll nln nls nnc nne nnf nni nnk nnl nnn nns nsc nse nsf nsi nsk nsl nsn nss scc sce scf sci sck scl scn scs se- sec see sef sei sek sel sen ses sfc sfe sff sfi sfk sfl sfn sfs sic sie sif sii sik sil sin sis sk- skc ske skf ski skk skl sks slc sle slf sli slk sll sln sls snc sne snf sni snk snl snn sns ss- ssc sse ssf ssi ssk ssl ssn sss