-er eee eef eeg eek eel een eer ef- efe eff efg efi efl efr ege egf egg egi egl egn egr eie eif eig eii eik eil ein eir eke ekf ekg eki ekl ekr ele elf elg eli elk ell eln elr en- ene enf eng eni enk enl enn enr ere erf erg eri erk erl ern err fee fef feg fei fek fel fen fer ffe fff ffg ffi ffk ffl ffn ffr fge fgf fgg fgi fgl fgn fgr fie fif fig fii fik fil fin fir fkf fkg fki fkk fkl fle flf flg fli fll fln flr fne fnf fng fni fnk fnl fnn fnr fre frf frg fri frk frl frn frr ge- gee gef geg gei gek gel gen ger gfe gff gfi gfk gfl gfr ggg ggi ggn ggr gie gif gig gii gik gil gin gir gkn gle glf glg gli glk gll gln glr gne gnf gni gnl gnn gnr gre grf grg gri grk grl grn grr i-f ie- iee ief ieg iei iek iel ien ier ife iff ifg ifi ifl ifn ifr ige igf igg igi igk igl ign igr iie iif iii iil iin iir ike ikf iki ikk ikl ikr il- ile ilf ilg ili ilk ill iln ilr in- ine inf ing ini ink inl inn inr ir- ire irf irg iri irk irl irn irr ke- kee kef keg kei kek kel ken ker kff kfg kfi kgf kgi kgl kie kif kig kii kik kil kin kir kke kki kkk kkl kkn kkr kl- klf klg kli klr kn- kne knf kng kni knk knl knn knr krf krg kri krk krl krn krr lee lef leg lei lek lel len ler lfe lff lfg lfi lfk lfl lfn lfr lge lgf lgg lgi lgk lgl lgn lgr lie lif lig lii lik lil lin lir lkg lkl lkr lle llf llg lli llk lll lln llr lne lng lni lnk lnl lnn lnr lrf lrg lri lrk lrn lrr n-i ne- nee nef neg nei nek nel nen ner nfe nff nfi nfk nfl nfn nfr nge ngf ngg ngi ngk ngl ngn nie nif nig nii nik nil nin nir nke nkf nki nkk nkn nkr nle nlf nlg nli nlk nll nln nlr nne nnf nng nni nnk nnl nnn nre nrf nrg nri nrk nrl nrn nrr re- ree ref reg rei rek rel ren rer rfe rff rfg rfi rfk rfl rfn rfr rge rgf rgg rgi rgk rgn rgr rie rif rig rii rik ril rin rir rke rkf rkg rkk rle rlf rlg rli rll rln rlr rng rni rnn rnr rrf rrg rri rrk rrl rrn rrr