Vocabulary consisting only from characters you are able to read
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
二人
futari
two persons, two people, pair, couplejlpt5
山上
sandžou
mountain topmix
山川
sansen; jamakawa; jamagawa
mountains and rivers; mountains and rivers; mountain riversmix
上
ue
above, on top of, up, upper part, surfacejlpt5