Fujiwara no Teika, a Japanese scholar of the late Heian and early Kamakura periods
Fujiwara no Teika | ''Tosa Nikki''　faithfully copied by Fujiwara no Teika |
Teika Kanazukai: created by Fujiwara no Teika, it distinguishes between /wo, o/, /i, hi, wi/, /e, we, he/, and also (to a lesser degree) /e, ye/.