Slurpys             Test case to be used for judging

The following input:

13
AHDFG
AEFGCDFDFG
ABABABAHCCCDFG
AHEFEFEFEFEFEFG
AHDFEFG
ABADFGCCEFEFG
ABABAEFEFEFEFGCCCDFEFG
QRST
ABABABCCDFG
ADFGCDFGC
AHDFDFDFGGG
ABCDFG
ABABABCCCDFGG


should produce the following output:

SLURPYS OUTPUT
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
END OF OUTPUT