A

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X

X - Cross
XBT -   Abbreviation for expendable bathythermograph.
XCP - Except
XNG - Crossing
XPC - Expect
XPCD - Expected
XPCG - Expecting
XPCS - Expects
XPLOS - Explosive
XS - Atmospherics
XTND - Extend
XTNDD - Extended
XTNDG - Extending
XTRM - Extreme
XTRMLY - Extremely  


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