When viewing search results, what are the – marks at the beginning or end of certain words?
Those marks denote “inner hooks” – they mean that either the first or last letter of the word can be dropped to form another valid word, depending on where the hyphen appears. If the hyphen appears at the beginning of the word, then the first letter can be dropped. If the hyphen appears at the end of the word, then the last letter can be dropped. A more detailed explanation is given in the Help documentation. How does Zyzzyva calculate the probability of a word? I don’t have a nice formula handy, but it’s basically a straight calculation of the number of possible combinations to get a particular set of letters from a full bag, including blanks. Separate combination values are calculated for drawing zero, one, or two blanks, and then the numbers of combinations are added together to get the total number of ways of drawing a word. If you’re interested, you can see the source code for yourself here (see LetterBag::getNumCombinations particularly). Are you sure the probability calculation
