Trevor that has thrown a spanner in my works, I had 'W' as the third letter , back to the drawing board.
Punwee huh? must check that out, it rings a bell.
46 (g) now I think I see where I have got muddled, for that I put HOBBY as she does like to collect dubious specimens as a pastime. I will break out the tippex and start over. This is one devious puzzle, the compiler has a wicked sense of humour.
a) my eldest Niece is sometimes called this by her friends.
b) it rhymes with The Doobie Brothers (but only if you add the word smothers - which i like to do anyway)
best of luck