Sentence:  “It's <WSD>Dotty</WSD>!” As if there were only one Dotty in the world. “<WSD>Dotty</WSD> who?” a voice asked from behind the door. “Why, <WSD>Dotty</WSD> Fickett!” she replied. The door opened and a woman stood there, her face gaunt and filled with sadness. “Mrs. Doherty?” 
Meaning of the word marked with <WSD> tags:  (diminutive=Dorothy), also spelled Dottie.