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The smartest boy on Earth
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funny
funnier, the funniest
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hot
hotter, the hottest
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smart
smarter, the smartest
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big
bigger, the biggest
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cold
colder, the coldest
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cool
cooler, the coolest
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small
smaller, the smallest
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happy
happier, the happiest
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fast
faster, the fastest
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long
longer, the longest
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tall
taller, the tallest
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