Vocabulary consisting only from characters you are able to read
入口
いりぐち
entrance, gate, approach, mouthjlpt5
上
うえ
above, on top of, up, upper part, surfacejlpt5
よじ上る
よじのぼる
to climb, to clamber (over, up), to scramble (up), to scale, to claw one's way upgodan, verb, vintrans