can; may (aux verb)
initials: K
刻
quarter (of an hour)
客
customer; visitor; guest (noun)
课
class; course; lesson (noun)
課
class; course; lesson (noun)
空
free time (noun)
口
mouth (noun)
哭
to cry; to weep (verb)
裤
pants (noun)
褲
pants (noun)