Vocabulary consisting only from characters you are able to read
開閉
kaihei
opening and shuttingsuru
年金
nenkin
annuity, pensionmix
先
saki
the future, forward, priority, precedence, former, previous, old, latejlpt5, toki
上手い
umai
(1)skillful, clever, expert, wise, successful, (2)delicious, appetizing, appetising, (3)fortunate, splendid, promising adj