-ic c-- ccc cce cci ccl ccp ccx ce- cec cee cei cel cep cex ci- cic cie cii cil cip cix cl- clc cle cli cll clp clx cpc cpe cpi cpl cpp cpx cxc cxi cxl cxp cxx ec- ecc ece eci ecl ecx eec eee eel eep eex eic eie eii eil eip eix elc ele eli ell elp elx ep- epc epe epi epl epp epx ex- exc exe exi exl exp exx icc ice ici icl icp ie- iec iee iei iel iep iex iic iie iii iil iip iix il- ilc ile ili ill ilp ilx ipc ipe ipi ipl ipp ipx ixc ixe ixi ixl l-p lcc lce lci lcl lcp lcx lec lee lei lel lep lex lic lie lii lil lip lix llc lle lli lll llp lpc lpe lpi lpl lpp lpx lxc lxi lxx p-p pcc pce pci pcl pcp pcx pec pee pei pel pep pex pic pie pii pil pip pix plc ple pli pll plp plx ppc ppe ppi ppl ppp ppx pxc pxe pxl xci xcl xcp xcx xee xel xep xex xic xie xii xix xli xpc xpe xpl xpp xxi xxl xxp xxx