eee eef eel eem ef- efe eff efi efl efm eie eif eii eil eim ele elf eli ell elm em- eme emf emi eml emm fee fef fei fel fem ffe fff ffi ffl ffm fie fif fii fil fim fle flf fli fll flm fme fmf fmi fml fmm i-f ie- iee ief iei iel iem ife iff ifi ifl ifm iie iif iii iil iim il- ile ilf ili ill ilm im- ime imf imi iml imm lee lef lei lel lem lfe lff lfi lfl lfm lie lif lii lil lim lle llf lli lll llm lme lmf lmi lml lmm m-f mee mef mei mel mem mfe mff mfi mfl mfm mi- mie mif mii mil mim mle mlf mli mll mlm mme mmf mmi mml mmm