Revision f56ccd12-b664-443f-bc9c-129225f894c7 - Code Golf Stack Exchange

## Perl, 60 bytes

__59 bytes code + 1 for `-p`.__

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 s!\w+ \w+!$&=~s/([aeiouy]+)(.*? .*?)([aeiouy]+)/3ドル2ドル1ドル/r!ge

[Try it online!](https://tio.run/##VU3LbgIxDLznK7zSCvFQuyoVR8SHtBzCrklSQhxiL9vtgU9vGgSqYOSRNR55JmLyq5y5@hwWUFjVk/WFm@mHRkf9uF3Mpq/zDRTOHm5N/V4v67cmVQZzNgm1QKdHYJdUjK0BxyAWYYcsSmxRZTRIkdBqRuXpCcHAQKlTt6TgjBWlw1g@i2MIWZ2GJJG7vbFfB//z3Z534Qj6DrDuWpfwoctfQ/8LwYXbHqmHlnrfQSApvve/FMVR4PwS/wA "Perl 5 – Try It Online")