Dana Valery Catalano and Susan Tisch say they had no trouble coming up with a name for their new product, a series of romance novels on tape. They formed Cati Productions Inc., in New York City, and last May began selling the tapes through tabloid ads -- under the name Kissettes. "We needed a word that told you very simply what to expect," explains Catalano. "And if you see the word Kissette, [you know] it's definitely not a harp concerto."