y
it's - id's -
envelope
absence
Arizona has TWO of the the first letter in the alphabet (A) and Arizona has ONE of the last letter of the alphabet (B).
Least
its z but if one means back its y so there both right
The last letter included in the English alphabet was the letter J
The 24th and last one.
Z
I don't know of anyone who only had one letter in their last name.
z