-al -ic a-a a-c a-i aaa aac aae aai aal aax ac- aca acc ace aci acl acx aea aec aee aei ael aex ai- aia aic aie aii ail aix al- ala alc ale ali all alx ax- axa axe axi axl axx c-- caa cac cae cai cal cax cca ccc cce cci ccl ccx ce- cea cec cee cei cel cex ci- cia cic cie cii cil cix cl- cla clc cle cli cll clx cxc cxi cxl cxx eaa eac eae eai eal eax ec- eca ecc ece eci ecl ecx eea eec eee eel eex eia eic eie eii eil eix ela elc ele eli ell elx ex- exa exc exe exi exl exx ia- iaa iac iae iai ial ica icc ice ici icl ie- iea iec iee iei iel iex iia iic iie iii iil iix il- ila ilc ile ili ill ilx ixc ixe ixi ixl la- laa lac lae lai lal lax lca lcc lce lci lcl lcx lea lec lee lei lel lex lia lic lie lii lil lix lla llc lle lli lll lxc lxi lxx xaa xac xal xci xcl xcx xee xel xex xia xic xie xii xix xla xli xxi xxl xxx