Vocabulary consisting only from characters you are able to read
二人
futari
two persons, two people, pair, couplejlpt5
入口
iriguchi
entrance, gate, approach, mouthjlpt5
人工
jinkou
artificial, manmade, human work, human skill, artificialitymix
恋人
koibito
beloved personai
上がる
agaru
(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)/to come asho godan, verb, vintrans