Vocabulary consisting only from characters you are able to read
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
億
おく
(num) 100,000,000, hundred millionjlpt4
生かす
いかす
(1)to make (the best) use of, to leverage (skills, attributes, experience, etc.), to capitalise on (experience, etc), (2)to let live, to keep alive, (3)to revive, to resuscitate godan, verb, vintrans, vtrans