Vocabulary consisting only from characters you are able to read
白黒
shirokuro
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence iro
土日
donichi
weekend, Saturday and Sundaymix
列
retsu
queue/line/row/column/sequence/string/train/(P)jlpt3, ryokou
土木
doboku
public worksmix