PAIRINGS

aryM = ["Zeto","Klaire","Ethan"] # Male members of the cast
aryF = ["Luna","Evelyn","Aria","Silvie","Ellis","Zephy","Capelle","Aura","Melody"] # Female members of the cast
pair = Proc.new { |a| puts a[0] + "x" + a[1]
}
ary = (aryF | aryM).combination(2).to_a
ary.each(&pair)
puts "There are #{ary.length} pairings."
ary = (aryM.product(aryF))
ary.each(&pair)
puts "There are #{ary.length} heterosexual pairings."
ary = (aryF.combination(2).to_a)
ary.each(&pair)
puts "There are #{ary.length} YURI pairings."

puts "ZurexEvil castle"
puts "There is 1 evil castle pairing."