Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
手のひら tenohira palmhito
te handhito, jlpt5
空っぽ karappo prázdnýleda1
空ける akeru vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
空く aku to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
空手 karate karatesport
sora skyjlpt5, leda1, shizen
手がかり tegakari (1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
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)
手にする tenisuru (1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru