Clipping of 特殊相対性理論 (tokushu sōtaisei riron, “special relativity”).

勇: courage / 有: existence / 夕: evening / 佑: protection / 優: extraordinary / 侑: assist / 裕: richness / 幽: tranquility; blackness

優: a female given name / 佑, 友, 悠: a male given name

結う: braid, fasten / 言う: Alternative spelling of いう

結城: A city in Ibaraki Prefecture, Japan / 結城: a surname / 裕木: a surname / a male given name / 夕希, 有希: a female given name

融資: financing, loan

有志: a male given name / 雄史: a male given name / 猶子: nephew

結: a female given name / 由依: a female given name / 優衣: a female given name / 裕衣: a female given name / 結衣: a female given name / 唯: a unisex given name / 由井: a surname

祐太: a male given name / 雄太: a male given name / 裕太: a male given name / 雄大: a male given name / 勇太: a male given name / 悠太: a male given name

裕也, 優也, 祐也, 祐哉, 由哉, 雄也, 勇也, 雄哉: a male given name / 優弥, 雄弥: a male given name