Vocabulary consisting only from characters you are able to read
中
なか
inside, middle, amongjlpt5
二人
ふたり
two persons, two people, pair, couplejlpt5
上る
のぼる
(1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans