Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
一つ ひとつ onejlpt5
微分 びぶん differential (e.g. calculus)math, suru
~本 ~ほん counter for long, cylindrical objectscounter, jlpt5
ふで writing brushmix
自動ドア じどう ドア automatické dveředenki