Single-character pairs only. Multi-character confusables (rn vs m, cl vs d) are outside scope. These are a known gap in confusables.txt itself.
Овечкин продлил безголевую серию в составе Вашингтона09:40
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for (int i = 0; i < n - 1; i++) {
"We can't protect everywhere. There isn't insurance for crop damage. We don't get compensation."