Vocabulary consisting only from characters you are able to read
交流
こうりゅう
(1)(cultural) exchange, interchange, interaction, (inter-) mingling, (social, etc.) networking, intercourse, (2)alternating current, AC suru
扉
とびら
(1)door, gate, opening, (2)title page mix
優越
ゆうえつ
supremacy, predominance, being superior tosuru