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📋 When to Use Letters-Only Passwords

Only uppercase and lowercase letters — no digits or symbols. Some systems have bizarre password policies that reject numbers (yes, they exist). Also useful for generating human-readable identifiers for non-security purposes like project codes or reference numbers that should be pronounceable.

📊 تفصيل تقني — letters-only

• Entropy: 91 bits at 16 chars
• Crack time: ~250 billion years
• Security level: Strong
• الأفضل لـ: Accessibility, systems blocking digits

All calculations assume letters-only with mixed character types. Actual security depends on specific character selection.