BLIND MAN'S BLUFF - there is a surprise new Wise Wit UP!!
You guess a LETTER AND A PHRASE.
However it's still one guess per person, so think carefully and let's not repeat letters!!
Here's a list of possible 2 letter words to get you started (not necessarily complete!)
in, of, to, an, as, at, by, do, go, is, it, me, no, up