Chouon Mondai: Kanji Jukugo [KO][O U] wo dou arawasu ka?

  Kanji Jukugo [KO][O U], [KO U][O], [KO U][U] wo dou arawasu ka kurabete mi-masu.

Kanji	ô	ou	oo	oh
[KO][O U]	Koô	Koou	Kooo	Kooh
[KO U][O]	Kôo	Kouo	Kooo	Koho
[KO U][U]	Kôu	Kouu	Koou	Kohu

  Subete wo tadashiku Kubetsu dekiru no wa "ô" to "ou" no toki desu. "oh" wa subete ga Kubetsu dekite mo, yomikata ga machigatte i-masu. "oo" wa Kubetsu dekinai kumiawase ga ari-masu.

Kanji	ô	ou	oo	oh
[KO][O U]	Koô	Ko'ou	Ko'oo	Kooh
[KO U][O]	Kôo	Kouo	Koo'o	Koh'o
[KO U][U]	Kôu	Kou'u	Koou	Koh'u

  Tsugi ni Apostrophe wo tsukete Kubetsu shite mi-masu. "ou" to "oo" ni wa Chouon no kumiawase ga Fukusuu ari, sorera wo Kakujitsu ni Kubetsu suru tame ni Apostrophe wo tsukai-masu. "oh" no baai wa, Chouon no Kugiri wa Meikaku desu ga, "ho", "hu" nado akiraka ni yomikata ga kawaru mono ni wa Apostrophe de kugiri wo tsukeru Hitsuyou ga ari-masu.