17d. a tree providing a tough hard wood. 8 letters, - o - - - - - m
27a. throw light on, makes clearer. 9 letters. - - - - I - - - e
25d, express gratification or pleasure. 4 letters. - - - r.
24d, a nasal quality in a persons manner of speaking. 5 letters. t - -- g.
thanks in anticipation