Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
sora skyjlpt5, leda1, shizen
手がかり tegakari (1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
空く aku to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
空ける akeru vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
手にする tenisuru (1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru