You have two options:
1. To wait for the 9110 dates to be released and take both in the same week
2. Take 9100 now and take the additional day 9110 later. Yes, if a course is close to your location, you can take the 9110 as a stand alone. Just let us know so that we can get your exam ready.
At this point, I will sign off. Please come to our website for additional info! It's been fun. Look forward to meeting all of you!