The following words share a special property or properties that make them very special. This list is complete. No other English words have what it takes to make this list:
FUZIL
YUTZ
UNZIP
UNFIXT
PIXY
INFLUX
FUTZ
WIZ
UNFIX
PYX
PUTZ
FIZ
What makes these words so special?
HINT:
One of our members couldn't make it because no eligible partnerships could be formed.