The term 'ONE OF THE BRADY GIRLS' refers to two of the main characters from the classic television show, The Brady Bunch. The first solution is Marcia, which is a 6-letter word. Marcia was the oldest daughter of the Brady family and was portrayed by actress Maureen McCormick. The second solution is Jan, which is a 3-letter word. Jan was the middle daughter of the Brady family and was portrayed by actress Eve Plumb.