The lyrics we used were:

mmm I want to linger
mmmA little longer
mmmI want to stay here with you

mmm It's such a perfect night
mmm It doesn't feel quite right
mmm That it should be my last with you

mmm And come September dear
mmm We'll all remember here
mmm Our scouting days and friendships true

mmm As the years go by
mmm We'll think of you and sigh
mmm this is goodnight but not goodbye