Vocabulary consisting only from characters you are able to read
二十日
hatsuka
twenty days, twentieth day of the monthjlpt5, toki
僕
boku
I (used by men with close acquaintances)jlpt4
山
yama
mountain, pile, heap, climax, critical pointjlpt5, shizen
よじ上る
yojinoboru
to climb, to clamber (over, up), to scramble (up), to scale, to claw one's way upgodan, verb, vintrans
足りない
tarinai
(1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj