a-, an-
no, not, without
aut-, auto-
self, own
dia-
through, complete
end-, endo-
within
epi-
above, upon
ex-
exo-
out, outside of,
outward
hyper-
excessive, above, more than normal
hypo-
deficient, below, under, less than normal
in-
into, in
peri-
surrounding, around
pro-
before, forward
re-
back, backward, again
retro-
behind
sub-
below, under
trans-
across, through