Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
そら skyjlpt5, leda1, shizen
空ける あける vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
空っぽ からっぽ prázdnýleda1
手にする てにする (1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru
空く あく to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans