Vocabulary consisting only from characters you are able to read
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
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
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
大半
たいはん
majority, mostly, generallymix
一口
ひとくち
(1)mouthful, bite, sip, draft, draught, (2)one word mix
三日
みっか
three days, the third day of the monthjlpt5, toki