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
正式
せいしき
due form, official, formalitymix
耳にする
みみにする
to hear, to hear by chance, to hear by accident, to catch (the sound)suru
足りる
たりる
(1)to be sufficient/to be enough/ (2)to be worth doing/to be worthy/ (3)to be sufficient/to answer/to do/(P) ichidan, jlpt3, verb, vintrans