Frequency - Word Form
  3 an
 17 as
  6 at
 21 be
 25 by
 17 he
  6 if
 40 in
 24 is
 26 it
  1 ix
136 of
 11 on
  3 or
  9 so
  6 st
 70 to
  3 up
  2 us
 26 we