Vocabulary consisting only from characters you are able to read
耳にする
みみにする
to hear, to hear by chance, to hear by accident, to catch (the sound)suru
足りない
たりない
(1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj
手がかり
てがかり
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix