Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
眠気 nemuke sleepiness, drowsinessmix
驚天動地 kyoutendouchi astounding, startling, world-shaking, amazing, earth-shatteringmix
算数 sansuu mathgakkou, math
四分 yonpun 4 minutestoki
引く hiku minus, -jlpt3, math