CUTE becomes GYXI Explanation:

• C becomes G -> +4
• U becomes Y -> +4
• T becomes X -> +4
• E becomes I -> +4

Each letter is shifted forward four positions in the alphabet.

Applying the same to RAIN:

• R becomes V -> +4
• A becomes E -> +4
• I becomes M -> +4
• N becomes R -> +4

Therefore, the code for RAIN is VEMR.

LEAF becomes PHCG :

• L becomes P -> +4
• E becomes H -> +3
• A becomes C -> +2
• F becomes G -> +1

Each letter is shifted forward by a decreasing amount (4, 3, 2, 1).

Let's apply the reverse to WSQU:

• W becomes S -> -4
• S becomes P -> -3
• Q becomes O -> -2
• U becomes T -> -1

Therefore, WSQU means SPOT.

FOUR becomes ULFI:

F to U: F is the 6th letter. U is the 6th letter from the end of the alphabet.
O to L: O is the 15th letter. L is the 15th letter from the end of the alphabet.
U to F: U is the 21st letter. F is the 21st letter from the end of the alphabet.
R to I: R is the 18th letter. I is the 18th letter from the end of the alphabet.
Each letter is replaced by the letter that is the same distance from the end of the alphabet as the original letter is from the beginning.

Applying the same to FIVE:

F to U: F is the 6th letter. U is the 6th letter from the end.
I to R: I is the 9th letter. R is the 9th letter from the end.
V to E: V is the 22nd letter. E is the 22nd letter from the end.
E to V: E is the 5th letter. V is the 5th letter from the end.
Therefore, the code for FIVE is UREV.

BIRD becomes FLTE Explanation:

B becomes F -> +4
I becomes L -> +3
R becomes T -> +2
D becomes E -> +1

Each letter is shifted forward by a decreasing amount (4, 3, 2, 1).

Let's apply the reverse to KDOF:

K becomes G -> -4
D becomes A -> -3
O becomes M -> -2
F becomes E -> -1

Therefore, KDOF means GAME.

TABLE becomes UYCJF Explanation:

T becomes U -> +1
A becomes Y -> +24 (or -2, wrapping around the alphabet)
B becomes C -> +1
L becomes J -> -2
E becomes F -> +1

The pattern seems to be alternating between adding 1, and subtracting 2. Let's consider it as +1, -2, +1, -2, +1 for simplicity.

Let's apply this to CHAIR:

C becomes D -> +1
H becomes F -> -2
A becomes B -> +1
I becomes G -> -2
R becomes S -> +1

Therefore, the code for CHAIR is DFBGS.

MUSIC is NWVMH

• M becomes N -> +1
• U becomes W -> +2
• S becomes V -> +3
• I becomes M -> +4
• C becomes H -> +5

let's apply this to PIANO:

• P becomes Q -> +1
  I becomes K -> +2
  A becomes D -> +3
  N becomes R -> +4
  O becomes T -> +5

  Therefore, the code for PIANO is QKDRT

FRUIT becomes AMPDO:

F becomes A -> -5
R becomes M -> -5
U becomes P -> -5
I becomes D -> -5
T becomes O -> -5

Each letter is shifted back 5 positions in the alphabet.

Let's apply this to HEART:

H becomes C -> -5
E becomes Z -> -5 (wrap around)
A becomes V -> -5 (wrap around)
R becomes M -> -5
T becomes O -> -5

Therefore, the code for HEART is CZVMO.