Use "?" for one missing letter: pu?zle. Use "*" for any number of letters: p*zle. Or combine: cros?w*d
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 Subtask 1: Analysis of building heating and cooling demands and of equipment performances  Subtask 3: Global performance evaluation and commissioning. — “IEA-ECBCS Annex 48 : Heat Pumping and Reversible Air”, en.wikipedia.org
After the task analysis has been made the participants perform the walkthrough by asking themselves a set of questions for each subtask. Does the user understand that this subtask is needed to reach the user's goal?. — “Cognitive walkthrough - Wikipedia, the free encyclopedia”, en.wikipedia.org
Subtask one is as follows: for each existing U.S. Senator and Representative, past or present, polbot can auto-generate a list of alternate names. As I said above, subtask #1 requires manual verification before subtask #2 runs. — “Wikipedia:Bots/Requests for approval/Polbot 2 - Wikipedia”, en.wikipedia.org