Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
八つ yattsu eightjlpt5
空ける akeru vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
sora skyjlpt5, leda1, shizen
ichi onejlpt5
空っぽ karappo prázdnýleda1