I think you made a mistake. You have all the letters of Coolidge except "d".
I do not know what to do with the r,n,a left over.
Garfield.
The last name of the father and son presidents is Bush.
The letters 'eomrs' unscramble to spell morse.You can also spell mores and omers from these letters.
They don't have presidents, they have kings.
Van Buren VAN BUREN
Obama.
Ford and Lincoln.
thats how
John Quincy Adams
Two presidents: James Madison and James Monroe.
Ronald Wilson Reagan and William Jefferson "Bill" Clinton
The new Vice President's name is Joe Biden