Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
そら skyjlpt5, leda1, shizen
地震 じしん earthquakejlpt4, shizen
~月 ~がつ month (of the year)jlpt5, toki
りく landshizen
火星 かせい Mars (planet)/(P)adj, leda1
雨雲 あまぐも rain cloud leda1, shizen, tenki
やみ darknessmix
こおり icekagaku, leda1, ryouri, tenki
氷水 こおりみず (1)ice water/ (2)shaved ice (usually served with flavored simple syrup) leda1
月日 つきひ čas, měsíce a dnyleda1, toki
dayjlpt4, toki
石灰 せっかい limekagaku
風土 ふうど natural features, topography, climate, spiritual featuresmix
うみ sea, beachjlpt5, leda1, shizen
森林 しんりん les (rozsáhlejší)leda1, shizen