The initial idioms of the letter P

President Andrew Johnson	President Arthur
President Benjamin Harrison	President Buchanan
President Bush	President Carter
President Cleveland	President Clinton
President Coolidge	President Eisenhower
President Fillmore	President Ford
President Franklin Roosevelt	President Garfield
President George W. Bush	President Grant
President Harding	President Harrison
President Hayes	President Hoover
President Jefferson	President John Adams
President John F. Kennedy	President John Quincy Adams
President Johnson	President Kennedy
President Lincoln	President Lyndon Johnson
President Madison	President McKinley