Levels 1-20:
Single characters (5 to 99 chars) - 你, 好, 我, 是, 家
Levels 21-40:
Two-character words (5 to 49 words) - 你好, 谢谢, 学校, 老师
Levels 41-60:
Four-character idioms (5 to 25 idioms) - 一帆风顺, 不可思议, 众所周知
Levels 61-80:
Phrases (5 to 25 phrases) - 早上好, 对不起, 没关系
Levels 81-90:
Short sentences (3 to 12 sentences) - 我是学生。你好吗?
Levels 91-95:
Paragraphs (1 to 3 paragraphs, 30-100 words each)
Levels 96-100:
Complete stories (up to 500 words) - Full narratives