pack
unpack
healthy
unhealthy
employment
unemployment
probable
inprobable
unprobable
improbable
ilprobable
efficient
unefficient
unefficient
inefficient
disefficient
practical
inpractical
irpratical
impractical
unpratical
legal
illegal
inlegal
unlegal
patient
impatient
respectful
unrespectful
disrespectful
irrespectful
legible
unlegible
imlegible
illegible
expected
unexpected
literate
unliterate
illiterate
disliterate
responsible
irresponsible
unresponsible
inresponsible
logical
unlogical
inlogical
illogical
connected
unconnected
disconnected
happy
unhappy
inhappy
advantage
disadvantage
satisfied
dissatisfied
tidy
untidy
like
dislike
safe
unsafe
equality
inequality
possible
impossible
inposible
dispossible
unpossible