Message about RBG in today's tweets by POTUS?

First, he used the word 'he' in place of be when says Robinson will 'he' missed.

Then he tweets the about Walter Reed hospital, using so(oo) and "recover(er)'''

Altogether, the gives us: B-O-O-E-R

Remember Donna Brazile's mysterious tweet about the dog Boo? Is POTUS sending us a message that RBG is in the ER?