-er eee eef eeg eel eep eer ef- efe eff efg efi efl efp efr ege egf egg egi egl egp egr eie eif eig eii eil eip eir ele elf elg eli ell elp elr ep- epe epf epg epi epl epp epr ere erf erg eri erl erp err fee fef feg fei fel fep fer ffe fff ffg ffi ffl ffp ffr fge fgf fgg fgi fgl fgp fgr fie fif fig fii fil fip fir fle flf flg fli fll flp flr fpe fpg fpi fpl fpp fpr fre frf frg fri frl frp frr g-p ge- gee gef geg gei gel gep ger gfe gff gfi gfl gfp gfr ggg ggi ggp ggr gie gif gig gii gil gip gir gle glf glg gli gll glp glr gpe gpf gpg gpi gpl gpp gpr gre grf grg gri grl grp grr i-f ie- iee ief ieg iei iel iep ier ife iff ifg ifi ifl ifp ifr ige igf igg igi igl igp igr iie iif iii iil iip iir il- ile ilf ilg ili ill ilp ilr ipe ipf ipg ipi ipl ipp ipr ir- ire irf irg iri irl irp irr l-p lee lef leg lei lel lep ler lfe lff lfg lfi lfl lfp lfr lge lgf lgg lgi lgl lgp lgr lie lif lig lii lil lip lir lle llf llg lli lll llp llr lpe lpf lpg lpi lpl lpp lpr lrf lrg lri lrp lrr p-p pee pef peg pei pel pep per pfe pff pfg pfi pfl pfp pfr pge pgf pgg pgi pgl pgp pgr pie pif pig pii pil pip pir ple plf plg pli pll plp plr ppe ppf ppg ppi ppl ppp ppr pre prf prg pri prl prp prr re- ree ref reg rei rel rep rer rfe rff rfg rfi rfl rfp rfr rge rgf rgg rgi rgp rgr rie rif rig rii ril rip rir rle rlf rlg rli rll rlp rlr rpe rpf rpg rpi rpl rpp rpr rrf rrg rri rrl rrp rrr