Vocabulary consisting only from characters you are able to read
化石
kaseki
zkamenělina, fosílieleda1
手がかり
tegakari
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
五日
itsuka
five days, the fifth day (of the month)jlpt5, toki
耳にする
miminisuru
to hear, to hear by chance, to hear by accident, to catch (the sound)suru