Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
氷海 hyoukai frozen sea/icy watersleda1
写す utsusu to copy or photographgodan, jlpt3, jlpt4, verb, vtrans
参考書 sankousho příručkaleda1
石器 sekki stone implementmix
苦い nigai bitterjlpt4, ryouri
来る kuru to come, to call on, to grow, to getirregular, jlpt5, leda1, verb, vintrans
鉄道 tetsudou railroadmix
便り tayori (1)news, tidings, information, correspondence, letter; (2)news from ... mix
物理 butsuri physicsgakkou, jlpt3
分かる wakaru be understoodgodan, jlpt5, verb, vintrans