Arrange this list of letters to make the longest English word possible: i, s, l, a, n.
The longest English word that can be formed from the given letters is "nails".
Complete the following task based on the instruction and optional input provided.### Instruction:
Arrange this list of letters to make the longest English word possible: i, s, l, a, n.

### Output:
The longest English word that can be formed from the given letters is "nails".