Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
空く あく to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
手のひら てのひら palmhito
空ける あける vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
空手 からて karatesport
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
空っぽ からっぽ prázdnýleda1
手がかり てがかり (1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
おなじ; おなじく; くりかえし; どうのじてん; のま množné číslo (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (jen výjmečně)
handhito, jlpt5
そら skyjlpt5, leda1, shizen