+--------+--------+--------+--------+--------+--------+--------+--------+--------+
| W        V        AKLTY    AFKNT  | AFLNT    AFLNT  | AFKLT    FKLNT    AFKLNT |
+        +        +        +--------+        +        +        +        +        +
| FLN      AFT      ALT    | AFNTVW   K        Y      | AFLT     FLNT     AFLNTV |
+        +        +--------+        +        +        +        +        +        +
| FKLN     AFKT   | ALTV     AFNTV    AFLNTV   AFLNTV | AFKLT    W        Y      |
+--------+--------+--------+--------+--------+--------+--------+--------+--------+
| KNVY     KTWY   | F        L        ANTVWY   AKNTVW | AKTWY    KTY      AKTW   |
+        +        +--------+--------+--------+        +        +        +        +
| FKY      FKTWY    KTWY   | AFKTW    AFLTW  | AKTW   | N        V        AFKLTW |
+        +        +        +        +        +        +--------+        +        +
| A        L        KTVWY  | FKTVW    FTVW   | KNTVW    KTWY   | FKTY     FKTW   |
+        +--------+--------+        +        +        +        +--------+        +
| FKV    | AFKTW    N        Y        AFLTVW | AKTVW    AKTW   | FKLT   | AFKLTW |
+--------+--------+--------+--------+--------+--------+--------+        +--------+
| FKLY     FKWY     KLWY     FKW      FLWY   | FKLTW  | V        A        FKLNTW |
+        +        +        +        +--------+--------+        +        +        +
| T        N        AKLVWY   AFKVW  | FLWY     FKLW     FKLWY    FKLY     FKLW   |
+--------+--------+--------+--------+--------+--------+--------+--------+--------+
puzzle is solved:
only one place for letter Y in row 1
only one place for letter W in row 2
only one place for letter V in row 2
only one place for letter N in row 6
only one place for letter N in row 4
only one place for letter N in row 2
only one place for letter N in row 8
only one place for letter T in row 8
only one place for letter V in column 1
only one place for letter N in WV
only one place for letter N in row 3
only one place for letter T in column 4
only one place for letter T in column 5
only one place for letter V in row 4
only one place for letter V in row 3
only one place for letter V in row 9
only one place for letter V in row 6
only one place for letter A in row 9
only one place for letter A in column 4
only one place for letter A in column 5
only one place for letter A in column 6
only one place for letter A in column 9
only one place for letter Y in FL
only one place for letter Y in NV
only one place for letter Y in row 9
only one place for letter T in VA
guessing L at row 1 column 6
row 3 column 6 can only be a F
only one place for letter L in column 8
guessing T at row 1 column 7
guessing K at row 1 column 8
row 1 column 9 can only be a F
row 6 column 8 can only be a F
row 6 column 4 can only be a K
row 8 column 4 can only be a F
only one place for letter F in row 9
guessing F at row 2 column 1
only one place for letter F in AL
row 7 column 2 can only be a W
row 4 column 2 can only be a K
row 3 column 2 can only be a A
row 2 column 2 can only be a T
row 2 column 3 can only be a L
row 2 column 7 can only be a A
row 3 column 1 can only be a K
row 3 column 7 can only be a L
row 4 column 7 can only be a W
row 5 column 1 can only be a Y
row 5 column 5 can only be a L
row 6 column 9 can only be a T
row 5 column 9 can only be a K
row 5 column 6 can only be a W
row 5 column 3 can only be a T
row 6 column 3 can only be a W
row 7 column 5 can only be a F
row 7 column 7 can only be a K
row 7 column 9 can only be a L
row 8 column 1 can only be a L
row 8 column 2 can only be a Y
row 8 column 3 can only be a K
row 8 column 5 can only be a W
row 9 column 6 can only be a K
row 9 column 9 can only be a W

+---+---+---+---+---+---+---+---+---+
| W   V   Y   N | A   L | T   K   F |
+   +   +   +---+   +   +   +   +   +
| F   T   L | W   K   Y | A   N   V |
+   +   +---+   +   +   +   +   +   +
| K   A | V   T   N   F | L   W   Y |
+---+---+---+---+---+---+---+---+---+
| N   K | F   L   T   V | W   Y   A |
+   +   +---+---+---+   +   +   +   +
| Y   F   T | A   L | W | N   V   K |
+   +   +   +   +   +   +---+   +   +
| A   L   W | K   V | N   Y | F   T |
+   +---+---+   +   +   +   +---+   +
| V | W   N   Y   F | A   K | T | L |
+---+---+---+---+---+---+---+   +---+
| L   Y   K   F   W | T | V   A   N |
+   +   +   +   +---+---+   +   +   +
| T   N   A   V | Y   K   F   L   W |
+---+---+---+---+---+---+---+---+---+