// (H) Korean (Hangul syllables)
    testEncodeDecode(
      unicode = "세계의모든사람들이한국어를이해한다면얼마나좋을까",
      punycode = "xn--989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5jpsd879ccm6fea98c",
    )

    // (I) Russian (Cyrillic)
    testEncodeDecode(
      unicode = "почемужеонинеговорятпорусски",
      punycode = "xn--b1abfaaepdrnnbgefbadotcwatmq2g4l",
    )

    // (J) Spanish
    testEncodeDecode(

ger","nigeria","niue","norfolk island","northern mariana islands","norway","oman","pakistan","palau","palestine","panama","papua new guinea","paraguay","peru","philippines","pitcairn","poland","portugal","puerto rico","qatar","réunion","romania","russia","rwanda","saint barthélemy","saint helena","ascension and tristan da cunha","Ascension and tristan da cunha","saint kitts and nevis","saint lucia","saint martin","saint pierre and miquelon","saint vincent and the grenadines","samoa","san marino","sao...