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
空っぽ karappo prázdnýleda1
手のひら tenohira palmhito
空手 karate karatesport
手にする tenisuru (1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru
onadži; onadžiku; kurikaeši; dounodžiten; noma množné číslo (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (jen výjmečně)
te handhito, jlpt5