Vocabulary consisting only from characters you are able to read
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
中
なか
inside, middle, amongjlpt5
水力
すいりょく
hydraulic power, water powermix
上手
うわて
lepší, schopnější jedinecleda1
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