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
青空 aozora modrá oblohaleda1, shizen
白バイ širobai police motorcycleryokou
širo whiteiro, jlpt5
空っぽ karappo prázdnýleda1