Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
同時に doudžini coincident with, while, simultaneouslyjlpt3
箱の中の猫 hakononakanoneko a cat in a boxbaka
母音 boin (ling) vowelbunpou
安心 anšin peace of mind, reliefemo, jlpt4, leda1
大気 taiki atmospheretenki