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
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
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
大して
たいして
(not so) much, (not) verymix
三日
みっか
three days, the third day of the monthjlpt5, toki