"six" - key terms from Wikipedia

caprica six
electric six
episode six
head six
inline six
insidious six
jena six
lincoln six
number six
oceanic six
original six
rainbow six
round six
s rainbow six
seal team six
season six
secret six
series six
sinister six
six
six	cylinder
six	degrees
six	degrees of inner turbulence
six	degrees of separation
six	digits
six	episodes
six	feet under
six	flags
six	flags discovery kingdom
six	flags fiesta texas
six	flags great adventure
six	flags great america
six	flags magic mountain
six	flags new england
six	flags over georgia
six	flags over texas
six	lanes
six	million dollar man
six	months
six	nations
six	nations championship
six	pack
six	sigma
six	teams
six	times
six	weeks
six	wickets
six	wives
six	wives of henry viii
six	years