Here is a useful list of conjunctions, which connect words, phrases, clauses or sentences.
Coordinating Conjunctions
And
Or
But
Nor
So
For
Yet
Subordinating Conjunctions
After
Although
As
As
If
As
Long
As
Because
Before
Even
If
Even
Though
If
Once
Provided
Since
So
That
That
Though
Till
Unless
Until
What
When
Whenever
Wherever
Whether
While
