eee eef eeg eel eep ef- efe eff efg efi efl efp ege egf egg egi egl egp eie eif eig eii eil eip ele elf elg eli ell elp ep- epe epf epg epi epl epp fee fef feg fei fel fep ffe fff ffg ffi ffl ffp fge fgf fgg fgi fgl fgp fie fif fig fii fil fip fle flf flg fli fll flp fpe fpg fpi fpl fpp g-p ge- gee gef geg gei gel gep gfe gff gfi gfl gfp ggg ggi ggp gie gif gig gii gil gip gle glf glg gli gll glp gpe gpf gpg gpi gpl gpp i-f ie- iee ief ieg iei iel iep ife iff ifg ifi ifl ifp ige igf igg igi igl igp iie iif iii iil iip il- ile ilf ilg ili ill ilp ipe ipf ipg ipi ipl ipp l-p lee lef leg lei lel lep lfe lff lfg lfi lfl lfp lge lgf lgg lgi lgl lgp lie lif lig lii lil lip lle llf llg lli lll llp lpe lpf lpg lpi lpl lpp p-p pee pef peg pei pel pep pfe pff pfg pfi pfl pfp pge pgf pgg pgi pgl pgp pie pif pig pii pil pip ple plf plg pli pll plp ppe ppf ppg ppi ppl ppp