I have been very lucky with Pippa as she only ever chewed 1 thing (a small toy of my sons which i replaced)
But.... i know how you feel as my lab on the other hand chewed everything in sight for near on 2 years
He chewed library books, shoes, table legs, carpet...the list just goes on.
I spent many a night crying over having such a chewer.
He finally grew out of it by the time he was 3.5 years.