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I picked up this strategy from somewhere- first 3 rows do not repeat any letters
I’ll almost always get it by row 4 or 5
300 so far and maybe only 4 losses
Sometimes when you've got 4 letters, but still half the alphabet to go, you have to ignore what you've already found and pick a single word that takes out as many remaining letters as possible.
For example, by turn 2, you've ruled out A, U, D, I, O, S, N, D. That's 8 letters in 2 turns. By turn 6, you'd only added 4 additional letters.
Instead, you should think about all of the "_OUND" options and how to combine as many of them as possible into single words to kill as many birds with a single stone as possible. Your only real goal to keep the streak alive is to find the missing letter with one turn left.
Once you had "SOUND," the only possible combinations that could go with "_OUND" were P, R, W, F, B, H, and M. However, this also indicates that you can't guarantee a win by just guessing (which you found out).
If you had tried the word "PROBE" you would have knocked out 3 possibilities in one turn (and would have found the right answer). "BROOM" knocks out two more, and you're on turn 4. You've got 2 possible letters left, and 2 guesses left. Guaranteed win.
My current running streak is 28, lol.
I'm bound by a code of honor that looks upon this tactic with shame.