Only if
Necessary
If
Sufficient
Unless
Negate, Sufficient
Only where
Necessary
Until
Negate, Sufficient
Not both
Negate, Necessary
Only
Necessary
Without
Negate, Sufficient
No
Negate, Necessary
Or
Negate, Sufficient
Always
Necessary
Any
Sufficient
Where
Sufficient
None
Negate, Necessary
Requires
Necessary
The only
Sufficient
Only when
Necessary
When
Sufficient
Must
Necessary
All
Sufficient
Every
Sufficient
Any
Sufficient
Will
Necessary
Never
Negate, Necessary