How to spell X2 correctly?

We think the word x2 is a misspelling. It could be just an incorrect spelling of the words which are suggested below. Review the list and pick the word which you think is the most suitable.

List of suggestions on how to spell x2 correctly

xe I refuse to wear xe because it's uncomfortable.
xi My car's broken axles mean I'll have to hitch a ride home with xi.
xl
xv Every chemistry experiment requires an active xv container.
xx
X I am not sure if I should bring my laptop or my iPad to class.
XS This shirt is large but fit for an XS.

Misspelling of the day

Aniversity

adversity
animosity
anniversary
universality
university

more