Acronym |
Definition |
| YGF | Yellowstone Geneaology Forum |
| YIS | Your's In Scouting |
| YKK | Yoshida Kogyo Kabushikigaisha |
| YMR | Youth in Model Railroading |
| YOGA | Yarn Over Gauge Approximately |
| YOYO | String-Toy of Asian origin (not an acronym) |
| YPA | Yakima Prospector's Association |
| YPC | Your Property Club |
| YYE | YoYoExpert.com |
| YYF | YoYoFactory |
| ZCC | Zion Canyoneering Coalition |
| ZFC | Zimmer Frame Club |
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