Vocabulary consisting only from characters you are able to read
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
大小
だいしょう
(1)sizes (various), large and small, (2)daisho (matched pair of long and short swords), (3)large and small drums, (4)long months and short months mix
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
入口
いりぐち
entrance, gate, approach, mouthjlpt5
上がる
あがる
(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)/to come asho godan, verb, vintrans
人工
じんこう
artificial, manmade, human work, human skill, artificialitymix
中
なか
inside, middle, amongjlpt5
上り
のぼり
(1)ascent, climbing, ascending (path), climb, (2)up-train (e.g. going to Tokyo), (n,adj-no) (3)northward (towards Tokyo) jlpt3
小ちゃい
ちいちゃい
small (babytalk form)adj