Front

a-, an-

Back

not; without

Front

ec-

Back

out; outside

Front

en-

Back

in; within

Front

eso-

Back

inward

Front

exo-

Back

outward

Front

hyper-

Back

above; above normal; excessive

Front

hypo-

Back

below; below normal; deficient

Front

intra-

Back

within; into