| ^URS | Up Yours | - | ISO Country Codes |
| ^RUP^ | Read Up Please | - | ISO Country Codes |
| ^5 | High Five | - | ISO Country Codes |
| ZZZ | Sleeping, Bored, Tired | - | ISO Country Codes |
| ZMG | Oh My God | - | ISO Country Codes |
| YYSSW | Yeah Yeah Sure Sure Whatever | - | ISO Country Codes |
| YY4U | Too Wise For You | - | ISO Country Codes |
| YWIA | You're Welcome In Advance | - | ISO Country Codes |
| YW | You're Welcome | - | ISO Country Codes |
| YUPPIES | Young Urban Professionals | - | ISO Country Codes |
| YTTT | You Telling The Truth | - | ISO Country Codes |
| YTRNW | Yeah That's Right, Now What? | - | ISO Country Codes |
| YTB | You're The Best | - | ISO Country Codes |
| YSYD | Yeah, Sure You Do | - | ISO Country Codes |
| YSK | You Should Know | - | ISO Country Codes |
| YSIC | Why Should I Care? | - | ISO Country Codes |
| YSAN | You're Such A Nerd | - | ISO Country Codes |
| YS | You Stink(er) | - | ISO Country Codes |
| YRYOCC | You're Running On Your Own Cuckoo Clock | - | ISO Country Codes |
| YR | Yeah Right | - | ISO Country Codes |
| YOYO | You're On Your Own | - | ISO Country Codes |
| YNK | You Never Know | - | ISO Country Codes |
| YMMV | Your Mileage May Vary | - | ISO Country Codes |
| YMAK | You May Already Know | - | ISO Country Codes |
| YM | Your Mother | - | ISO Country Codes |
| YKWIM | You Know What I Mean | - | ISO Country Codes |
| YKW | You Know What | - | ISO Country Codes |
| YIWGP | Yes, I Will Go Private | - | ISO Country Codes |
| YIU | Yes, I Understand | - | ISO Country Codes |
| YIC | Yours In Christ | - | ISO Country Codes |
| YHM | You Have Mail | - | ISO Country Codes |
| YGWYPF | You Get What You Pay For | - | ISO Country Codes |
| YGTBK | You've Got To Be Kidding | - | ISO Country Codes |
| YGLT | You're Gonna Love This | - | ISO Country Codes |
| YGBSM | You Gotta Be Sh*tting Me | - | ISO Country Codes |
| YGBK | You Gotta Be Kidding | - | ISO Country Codes |
| YDKM | You Don't Know Me | - | ISO Country Codes |
| YCT | Your Comment To | - | ISO Country Codes |
| YBYSA | You Bet Your Sweet Ass | - | ISO Country Codes |
| YBY | Yeah Baby Yeah | - | ISO Country Codes |
| YBS | You'll Be Sorry | - | ISO Country Codes |
| YBF | You've Been F*cked | - | ISO Country Codes |
| YAUN | Yet Another Unix Nerd | - | ISO Country Codes |
| YAOTM | Yet Another Off Topic Message | - | ISO Country Codes |
| YAFIYGI | You Asked For It You Got It | - | ISO Country Codes |
| YACC | Yet Another Calendar Company | - | ISO Country Codes |
| YABA | Yet Another Bloody Acronym | - | ISO Country Codes |
| YA | Yet Another | - | ISO Country Codes |
| Y! | Typical Man | - | ISO Country Codes |
| Y | Why? | - | ISO Country Codes |
| XTC | Ecstasy | - | ISO Country Codes |
| XQZT | Exquisite | - | ISO Country Codes |
| XOXO | Hugs And Kisses | - | ISO Country Codes |
| XME | Excuse Me | - | ISO Country Codes |
| XLNT | Excellent | - | ISO Country Codes |
| XI10 | Exciting | - | ISO Country Codes |
| X-I-10 | Exciting | - | ISO Country Codes |
| X! | Typical Woman | - | ISO Country Codes |
| X | Kiss | - | ISO Country Codes |
| WYWH | Wish You Were Here | - | ISO Country Codes |
| WYT | Whatever You Think | - | ISO Country Codes |
| WYSLPG | What You See Looks Pretty Good | - | ISO Country Codes |
| WYSIWYG | What You See Is What You Get | - | ISO Country Codes |
| WYSILOB | What You See Is A Load Of Bollocks | - | ISO Country Codes |
| WYS | Whatever You Say | - | ISO Country Codes |
| WYRN | What's Your Real Name? | - | ISO Country Codes |
| WYP | What's Your Problem? | - | ISO Country Codes |
| WYM | What Do You Mean? | - | ISO Country Codes |
| WYGISWYPF | What You Get Is What You Pay For | - | ISO Country Codes |
| WYFO | Would You F*ck Off! | - | ISO Country Codes |
| WYFM | Would You F*ck Me? | - | ISO Country Codes |
| WYCM | Will You Call Me? | - | ISO Country Codes |
| WX | Weather | - | ISO Country Codes |
| WWY | Where Were You? | - | ISO Country Codes |
| WWSD | What Would Satan Do? | - | ISO Country Codes |
| WWJD | What Would Jesus Do? | - | ISO Country Codes |
| WUWHIMA | Wish You Were Here In My Arms | - | ISO Country Codes |
| WUWH | Wish You Were Here | - | ISO Country Codes |
| WUF | Where You From | - | ISO Country Codes |
| WU | What's Up | - | ISO Country Codes |
| WTTM | Without Thinking Too Much | - | ISO Country Codes |
| WTSHTF | When The Sh*t Hits The Fan | - | ISO Country Codes |
| WTSDS | Where The Sun Don't Shine | - | ISO Country Codes |
| WTS | Want To Sell | - | ISO Country Codes |
| WTN | What Who Then Now? | - | ISO Country Codes |
| WTMI | Way Too Much Information | - | ISO Country Codes |
| WTHOW | White Trash Headline Of The Week | - | ISO Country Codes |
| WTH | What The Hell | - | ISO Country Codes |
| WTGP | Want To Go Private? | - | ISO Country Codes |
| WTG | Way To Go | - | ISO Country Codes |
| WTFH | What The F*cking Hell | - | ISO Country Codes |
| WTFGDA | Way To F*cking Go, Dumb Ass | - | ISO Country Codes |
| WTFG | Way To F*cking Go | - | ISO Country Codes |
| WTF | What The F*ck | - | ISO Country Codes |
| WTB | Want To Buy | - | ISO Country Codes |
| WT | Without Thinking | - | ISO Country Codes |
| WT | Who The | - | ISO Country Codes |
| WT | What The | - | ISO Country Codes |
| WRUDATM | What Are You Doing At The Moment? | - | ISO Country Codes |
| WRT | With Regard / Respect To | - | ISO Country Codes |
