-ic c-- ccc cce cci ccl ccn ccp ccx ce- cec cee cei cel cen cep cex ci- cic cie cii cil cin cip cix cl- clc cle cli cll cln clp clx cn- cnc cne cni cnl cnn cnp cnx cpc cpe cpi cpl cpn cpp cpx cxc cxi cxl cxp cxx ec- ecc ece eci ecl ecn ecx eec eee eel een eep eex eic eie eii eil ein eip eix elc ele eli ell eln elp elx en- enc ene eni enl enn enp ep- epc epe epi epl epn epp epx ex- exc exe exi exl exp exx icc ice ici icl icn icp ie- iec iee iei iel ien iep iex iic iie iii iil iin iip iix il- ilc ile ili ill iln ilp ilx in- inc ine ini inl inn inp inx ipc ipe ipi ipl ipn ipp ipx ixc ixe ixi ixl ixn l-p lcc lce lci lcl lcn lcp lcx lec lee lei lel len lep lex lic lie lii lil lin lip lix llc lle lli lll lln llp lnc lne lni lnl lnn lnp lpc lpe lpi lpl lpn lpp lpx lxc lxi lxx n-i ncc nce nci ncl ncn ncp ncx ne- nec nee nei nel nen nep nex nic nie nii nil nin nip nix nlc nle nli nll nln nlp nlx nnc nne nni nnl nnn nnp npc npe npi npl npn npp nxc nxl p-p pcc pce pci pcl pcn pcp pcx pec pee pei pel pen pep pex pic pie pii pil pin pip pix plc ple pli pll pln plp plx pn- pnc pne pni pnl pnn pnp pnx ppc ppe ppi ppl ppn ppp ppx pxc pxe pxl xci xcl xcp xcx xee xel xen xep xex xic xie xii xin xix xli xnc xpc xpe xpl xpn xpp xxi xxl xxp xxx