Gendai Kanazukai : Monbu Kagaku-shou Gendai kanazukai ni wa "oo" wo fukumu kotoba ga ikutsu ka ari-masu. Korera wa Rekishi-teki kanazukai de wa "oho" ka "owo" to iu oto wo fukumu mono deshita. Roomaji Gendai Rekishi-teki [HO] hoo [HO O] [H…