The nerve!”
nyt	2006	INEZ	Don Juan's mother
nyt	2006	INEZ	Memorable 1966 hurricane
nyt	2006	INF	Foot soldiers: Abbr.
nyt	2006	INF	Foot soldiers: Abbr.
nyt	2006	INF	Like Beethoven's Pastoral" Symphony
The 6th letter is R
The 3rd letter is E
The 1st letter is I