a - at, to
ante - before, in the face of, in the presence of
bajo - under, below
con - with
contra - against, in exchange for
de - of, about, from
desde - since, from
durante - during, for
en - in, into, by, inside, within, at
entre - between, among, amongst
excepto - except (for)
hacia - towards, about, around
hasta - as far as, up to, until, till
mediante - by means of
para - for, in order to, toward
por - because of, (in order) to, for, by, through, per
según - according to, depending on
sin - without
sobre - on (top of), over, above, about, upon