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Prefixes 1-20

STUDY
PLAY
non
not
de
away from
an
without
ad
two, toward
bi
two
semi
half
per
through
sub
under
post
after
amphi
both
im
not
mal
bad
pro
toward
sur
over, above
hyper
extra, above
extra
more, beyond
co
together
ultra
beyond
dis
not
for
completely, excessively