J for June, they are the months of the year. J January, F February, M March, A April, M May.
N for november. The sequence starts with march.
T
tricky 1?? Not so tricky, they are the first letters of the months of the year, so the next letters would be, S, O, and N
s o.
n for November
d j f m a
J for Junebecause it goes January, February, March, April, May June!
Washington, Adams, Johnson,Madison, Monroe, Adams, Jackson - US Presidents
J = Jupiter planets outward from Sun MVEMJSUNP
s, o, n (the months of the year)
The answer to the mysterious sequence "I F Y M" is "E H W J". Each letter in the sequence is shifted forward by one in the alphabet.