o:obbligato,old,orange,oafish,oaken,oarless,oary,oaten,obdurate,obedient,objective,oblatory,obligated.
l:lovely,lonely,large,labial,labyrinthan,laced,lacelikelachrymose,lackadaisical.
e:embarrassed,eager,early,earnest,earsplitting,earthbound,earthly,earthshaking,earthy.