LeastCommonMult output:
4
red yellow
yellow yellow

LeastCommonMult output:
6
red blue
red aqua
blue aqua
aqua aqua

LeastCommonMult output:
2
red red

LeastCommonMult output:
18
red brown
aqua brown

LeastCommonMult output:
8
red green
yellow green
green green

LeastCommonMult output:
10
red pink
red black
pink black
black black

LeastCommonMult output:
15
blue pink

LeastCommonMult output:
3
blue blue

LeastCommonMult output:
12
red purple
blue yellow
blue purple
yellow aqua
yellow purple
aqua purple
purple purple