Thank you. It's been answered on your previous post. This is the bit I meant..
4. Users should then try and give as much information as possible about the clue for example:
a. The Clue itself, for example: “Where is the best place to ask and answer questions?”
b. The number of letters required, for example: (3, 10)
c. Any letters which have already been worked out in the answer should be presented as: T?E A??WE?BA?K - Here the “?” represents a missing letter while a space separates the words in the answer. The answer to the clue is, of course, “The AnswerBank”
:o)