What are the curved characters?

Knee bend, bend bow, double bend, bend bolt, bend, bend rush, slide bend, bend, bend back, bend arm, bend elbow, stumble bend, bend bow, eyebrow bend, elbow, bull bend, bend arc, twist bend, walk bend.

Word groups based on similarity:

Order (leader)? Day (sun and moon)? Ask (say hello)? Bird (bird)

Mom (mom)? Son (daughter)? Self? White (daytime)

Same (classmate)? Ma (Malaysia)? Good (good)? several

Knife (knife)? Fruit (fruit)? Yes (but)? Wood (wood)

Sky (sky)? Soil (water and soil)? Force (force)? In (water)

Early (early)? Ben (book) Boil (boiled water)? Work (factory)

Small (size)? Mountain (uphill)? People (talents)? Bachelor of bus

West (East)? The moon (bright moon)? Less (children)? Go out (out)

From (never)? Handle (handle)? Four (four)? Use (useful)

A (personal)? Put on (a coat)? Talent (gifted scholar)? He (Hotan)

Mouth (delicious)? Is the cloud (white cloud) complete (incomplete)? Down (up and down)

Teeth (front teeth)? And (and)? In (my heart)? Go (go back)