STUMPERS CCVIII

Credit: NPR Weekend Edition Sunday Puzzle
March 5, 2011
Merl Reagle
Presented by Will Shortz

Think of a common girl's name of six letters. Move the fourth letter forward one place in the alphabet to get another common girl's name.

HINTS:
#1: The first letter of the names is M
#2: The last letter of the names is A.

Answer:

MARSHA - MARTHA