WHY

PowerShell "dir *.txt -file | ?{$_.BaseName -match '[a-z]{2,}'} | forEach {$fd=$matches[0]; md $fd -ea SilentlyContinue; mv $_.FullName -Dest $fd}"
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@if(0)==(0) echo off
for /f "tokens=1*" %%i in ('dir /b /a-d *.txt ^| cscript -nologo -e:jscript "%~f0"') do (
    md %%i\ 2>nul
    move "%%j" %%i\
)
pause & exit/b
@end

while (!WSH.StdIn.AtEndOfStream) {
    var f = WSH.StdIn.ReadLine();
    var m = f.slice(0,-3).match(/[a-z]{2,}/i);
    if(m) WSH.Echo(m[0] + ' ' + f);
}
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