-ic c-- ccc cce ccf cci ccl ccn ccx ce- cec cee cef cei cel cen cex cfc cfe cff cfi cfl cfn cfx ci- cic cie cif cii cil cin cix cl- clc cle clf cli cll cln clx cn- cnc cne cnf cni cnl cnn cnx cxc cxf cxi cxl cxx ec- ecc ece ecf eci ecl ecn ecx eec eee eef eel een eex ef- efc efe eff efi efl efx eic eie eif eii eil ein eix elc ele elf eli ell eln elx en- enc ene enf eni enl enn ex- exc exe exi exl exx fcc fce fcf fci fcl fcn fcx fec fee fef fei fel fen fex ffc ffe fff ffi ffl ffn ffx fic fie fif fii fil fin fix flc fle flf fli fll fln flx fnc fne fnf fni fnl fnn fnx fxe fxi fxx i-f icc ice icf ici icl icn ie- iec iee ief iei iel ien iex ifc ife iff ifi ifl ifn ifx iic iie iif iii iil iin iix il- ilc ile ilf ili ill iln ilx in- inc ine inf ini inl inn inx ixc ixe ixi ixl ixn lcc lce lcf lci lcl lcn lcx lec lee lef lei lel len lex lfc lfe lff lfi lfl lfn lfx lic lie lif lii lil lin lix llc lle llf lli lll lln lnc lne lni lnl lnn lxc lxi lxx n-i ncc nce ncf nci ncl ncn ncx ne- nec nee nef nei nel nen nex nfc nfe nff nfi nfl nfn nic nie nif nii nil nin nix nlc nle nlf nli nll nln nlx nnc nne nnf nni nnl nnn nxc nxl xcf xci xcl xcx xee xel xen xex xfe xfl xfn xfx xic xie xii xin xix xlf xli xnc xxi xxl xxx