Melanin blocks the entry of harmful rays, the strength of the ultraviolet rays absorbed by the chemical structure of melanin pigments.
thus
travel
village
war
week
window
wish
women
wood
seven
sides
single
sleep
smaller
soft
soil
south
speak
speed
spring
square
star
step
store
straight
strange
street
subject
suppose
teacher
thousand
minute
modern
moment
month
natural
necessary
north
object
ocean
pay
plan
present
product
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abbreviations
abdicated
abducted
essential
abates
abbey
aberdeen