Sentence:  Fury Hanover ( Hoot Mon-Fay ) , Caper ( Hoot Mon-Columbia Hanover ) and Isaac ( Hoot Mon-Goddess Hanover ) have been <WSD>working</WSD> together but have not equalled their best work done some weeks ago . 
Meaning of the word marked with <WSD> tags:  exert oneself by doing mental or physical work for a purpose or out of necessity