Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
空く aku to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
休校 kjuukou školní volnogakkou, leda1
分子 bunši the numeratormath
三分 sanpun 3 minutestoki
前書き maegaki předmluvaleda1