口 kǒu, mouth/classifier for things with mouths (people, domestic animals, cannons, well... 木 Mù/mù, surname Mu, tree/wood/coffin/wooden/simple/numb/one of the eight categories of a... 束 Shù/shù, surname Shu, to bind/bunch/bundle/classifier for bunches, bundles, beams of ligh... 悚 sǒng, frightened 忄 xīn, Kangxi radical 61 (心) as a vertical side element