-er eee eeg eek eel eer ege egg egi egl egr eie eig eii eik eil eir eke ekg eki ekl ekr ele elg eli elk ell elr ere erg eri erk erl err ge- gee geg gei gek gel ger ggg ggi ggr gie gig gii gik gil gir gle glg gli glk gll glr gre grg gri grk grl grr ie- iee ieg iei iek iel ier ige igg igi igk igl igr iie iii iil iir ike iki ikk ikl ikr il- ile ilg ili ilk ill ilr ir- ire irg iri irk irl irr ke- kee keg kei kek kel ker kgi kgl kie kig kii kik kil kir kke kki kkk kkl kkr kl- klg kli klr krg kri krk krl krr lee leg lei lek lel ler lge lgg lgi lgk lgl lgr lie lig lii lik lil lir lkg lkl lkr lle llg lli llk lll llr lrg lri lrk lrr re- ree reg rei rek rel rer rge rgg rgi rgk rgr rie rig rii rik ril rir rke rkg rkk rle rlg rli rll rlr rrg rri rrk rrl rrr