-er eee eeg eel eer eev ege egg egi egl egr eie eig eii eil eir eiv ele elg eli ell elr elv ere erg eri erl err erv eve evg evi evl evr evv ge- gee geg gei gel ger gev ggg ggi ggr ggv gie gig gii gil gir giv gle glg gli gll glr glv gre grg gri grl grr grv gve gvg gvi gvl gvr i-v ie- iee ieg iei iel ier iev ige igg igi igl igr iie iii iil iir il- ile ilg ili ill ilr ilv ir- ire irg iri irl irr irv ive ivg ivi ivl ivr ivv lee leg lei lel ler lev lge lgg lgi lgl lgr lgv lie lig lii lil lir liv lle llg lli lll llr llv lrg lri lrr lrv lve lvg lvi lvl lvr lvv re- ree reg rei rel rer rev rge rgg rgi rgr rgv rie rig rii ril rir riv rle rlg rli rll rlr rrg rri rrl rrr rve rvg rvi rvl rvr rvv v-e vee veg vei vel ver vgg vgl vgr vi- vie vig vii vil vir viv vl- vle vll vlv vre vrg vri vrr vvg vvi vvr vvv