Here are some of the most commonly used prepositions as listed by The Grammar Bible:

aboard= A/BAORD
about= B-
above= BOF
across= KRAOS
after= AFR
against= GENS
along= LAONG
among= MAONG
around= ARND
at= AT
before= BFR
behind= HIND
below= BLOE
beneath= BAO*ENT or NAO*ET
beside= BES
between= TWAOEN
betwixt= BAOE/TW*IX
beyond= YOND
but= BUT
by= BI
down= DOUN
during= DURG