Sentence:  We, the Sister of Perpetual Indulgence and the Gathered Faithful, do hereby invoke the spirit of our beloved Muffin the Mule, to recognize the bona work of Mr. Derek Jarman in promulgating Universal Joy ... in his <WSD>bijou</WSD> masterpiecettes[.] 
Meaning of the word marked with <WSD> tags:  small, little "(often implying affection)"