l
The sequence "drmfs" appears to follow a pattern related to the keyboard layout, where each letter moves one key to the right. Following this pattern, the next letters would be "esnft."
I is the next letter.
a
A
In the alphabet the letter that comes after Q is the letter R. The letter that comes before Q would be P.
s
The next letter is U.
The next letter is U.
A
HS
It is: Y
p