yán
slug
used in 蜿蜒[wan1 yan2]
蜿蜒
wān yán
(of a snake) to wriggle along
蚰蜒
yóu yán
house centipede
蚰蜒路
yóu yan lù
lit. centipede's path
蜒蚰
yán yóu
(dialect) a slug
蜗蜒
wō yán
snail