-al a-a a-c aaa aac aae aaf aal aam aax ac- aca acc ace acf acl acm acx aea aec aee aef ael aem aex af- afa afc afe aff afl afm afx al- ala alc ale alf all alm alx ama amc ame amf aml amm amx ax- axa axe axl axm axx c-- caa cac cae caf cal cam cax cca ccc cce ccf ccl ccm ccx ce- cea cec cee cef cel cem cex cfa cfc cfe cff cfl cfm cfx cl- cla clc cle clf cll clm clx cma cmc cme cmf cml cmm cmx cxc cxf cxl cxx eaa eac eae eaf eal eam eax ec- eca ecc ece ecf ecl ecm ecx eea eec eee eef eel eem eex ef- efa efc efe eff efl efm efx ela elc ele elf ell elm elx em- ema emc eme emf eml emm emx ex- exa exc exe exl exx faa fac fae faf fal fam fax fca fcc fce fcf fcl fcm fcx fea fec fee fef fel fem fex ffa ffc ffe fff ffl ffm ffx fla flc fle flf fll flm flx fma fmc fme fmf fml fmm fmx fxe fxm fxx la- laa lac lae laf lal lam lax lca lcc lce lcf lcl lcm lcx lea lec lee lef lel lem lex lfa lfc lfe lff lfl lfm lfx lla llc lle llf lll llm lma lmc lme lmf lml lmm lxc lxx m-f maa mac mae maf mal mam max mc- mca mcc mce mcf mcl mcm mcx mea mec mee mef mel mem mex mfa mfc mfe mff mfl mfm mla mlc mle mlf mll mlm mlx mma mmc mme mmf mml mmm mmx mxa mxc mxl xaa xac xaf xal xam xcf xcl xcx xee xel xem xex xfa xfe xfl xfm xfx xla xlf xlm xma xmc xmf xml xmm xmx xxl xxx