Vocabulary consisting only from characters you are able to read
当たり前
あたりまえ
(1)natural, reasonable, obvious, (2)usual, common, ordinary jlpt3
原生林
げんせいりん
primeval forest, virgin forestmix
足りない
たりない
(1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj