A little girl walks into a pet shop, and asks in the sweetest little voice,  

"Excuthe me, mithter, do you keep wittle wabbits?"  The shopkeper gets down on his knees, so that he's on her level, and asks, "Do you want a wittle white wabby or a soft and fuwwy black wabby or maybe one like that cute wittle brown wabby  over there?"

She in turn puts her hands on her knees, leans forward, and says in a quiet sweet voice, "I don't think my Boa Constwicta weally gives a thit..."