Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
数理 suuri mathematicsmath
母国語 bokokugo mother tongue, native languagemix
用語 jougo termmath
migi right hand sidejlpt5, mix
真っ直ぐ massugu (1)straight (ahead), direct, upright, erect, (2)straightforward, honest, frank mix