ir- |  |  | Iran  |  |  | Iraq  |  |  | Ireland  |  |  | iris  |  |  | Irish  |  |  | Irishman  |  |  | irksome  |  |  | iron  |  |  | ironic, ironical  |  |  | irony1  |  |  | irradiate  |  |  | irrational  |  |  | irreconcilable  |  |  | irregular  |  |  | irregularity  |  |  | irrelevant  |  |  | irresistible  |  |  | irresistibly  |  |  | irresponsible  |  |  | irrigate  |  |  | irrigation  |  |  | irritable  |  |  | irritate  |  |  | irritation  |  |  | Irving, Washington  |  |  | 次へ(is-) |
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