<span>"And neither the angels in Heaven above Nor the demons down under the sea Can ever dissever my soul from the soul Of the beautiful Annabel Lee;" should be correct
Hope this helps!</span>
I'd make up a lie on how I have a school work project that I'm doing to help someone.
For capital letters, we can just add the ending -s, for example:
I got As in the final exam.
for lower-case letters, an apostrophe is used to avoid confusion:
In the multiple-choice exam all the correct answers happened to be a's! (as in: option a)