mpds
mr
msg
msn
mtbf
mtbr
mtbur
multiplication
multiplying
n
namely
narrow
nato
nature
navaids
navigate
navigation
navigational
nearing
necessarily
necessary
necessitating
negative
neither
net
nha
night
non
nor
nose
notes
now
nscm
nt
num
number”
numerically
nvg
o
object
observations
observed
observes
obtained
occ
occupation
occurrence
occurrences
oem
off
official
oil
ok
old
operating
operation
operational
operator
operator’s
opportunity
optimize
optimum
options”
order”
ordinary
organizational
organized
origin
original
ot
ou
our
outgoing
output
outside
out”
over
overall
overhaul
overtime
overweight
overwritten
owing
owner