du2
documents

strokes 19
radical
strokes after radical 15
长篇累牍 長篇累牘 chang2 pian1 lei3 du2
(of a text) very lengthy (idiom)

连篇累牍 連篇累牘 lian2 pian1 lei3 du2
(of a piece of writing) long and tedious (idiom); verbose

书牍 書牘 shu1 du2
letter; wooden writing strips (arch.); general term for letters and documents

文牍 文牘 wen2 du2
paperwork; official documents and letters; (old) secretary

文牍主义 文牘主義 wen2 du2 zhu3 yi4
red tape