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
一口
ひとくち
(1)mouthful, bite, sip, draft, draught, (2)one word mix
山川
さんせん; やまかわ; やまがわ
mountains and rivers; mountains and rivers; mountain riversmix
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
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen