Symbol	Pinyin	Meaning
无	wú	-less; not to have; no; none; not; to lack; un-
口	kǒu	mouth; classifier for things with mouths (people, domestic animals, cannons, wells etc)
了	le	(modal particle intensifying preceding clause); (completed action marker)
开	kāi	to open; to start; to turn on
目	mù	eye; item; section; list