Si Collection, Middle Volume Radical: Fire (huǒ) Entry: Yu Kangxi stroke count: 33 Page 688, Entry 24 Broad Rhymes (Guangyun): Pronounced yu. Collection of Rhymes (Jiyun): Pronounced yu. Pronounced yu. Jade Chapters (Yupian): Smoke emerging. Collection of Rhymes (Jiyun): Smoke emerging. Broad Rhymes (Guangyun): Smoke and vapor.