What if I were to use... WTS?

Or maybe WTA?
WTB?
WTC?
WTD?
WTE
WTG
WTH
WTI
WTJ
WTL
WTM
WTN
WTO
WTP
WTQ
WTR
WTS
WTT
WTU
WTV
WTW
WTX
WTY
WTZ

Are any of those acronyms acceptable?