正 zhēng/zhèng, first month of the lunar year, straight/upright/proper/main/principal/to correct... 土 Tǔ/tǔ, Tu (ethnic group)/surname Tu, earth/dust/clay/local/indigenous/crude opium/unsop... 延 Yán/yán, surname Yan, to prolong/to extend/to delay 埏 shān/yán, to mix water with clay, boundary 廴 yǐn, "long stride" radical in Chinese characters (Kangxi radical 54), occurring in 建,...