Homer and Lisa Exchange Cross Words/References

Trivia

 * As spoken, Homer's message to Lisa was, "Dear Lisa, you make me so happy. Really, really, really happy. Sorry, he told me I needed a hundred-and-forty-four letters. What was my point again? Oh, right. Bouvier or Simpson, I cherish you." For the record this little speech has 147 letters, not 144.
 * The words in Lisa's Hopscotch Crossword are: justice, happier, vegan, rebel, practicing, over, think, PTA, cerebral, rights, saxophone, playtime, lemonade, paradox, Jimbo, recess, Ralph, overachiever, recital, Krabappel, uniter, PhysEd, phenomena, and tree.