$sString = 'Как писать слова снизу вверх и наоборот?'
$sString1 = ''
$sString2 = ''
$aString = StringSplit($sString, '')
For $i = $aString[0] To 1 Step -1
$sString1 &= $aString[$i] & @CRLF
Next
$sString1 = StringTrimRight($sString1, 2)
MsgBox(64, '$sString1', $sString1)
For $i = 1 To $aString[0]
$sString2 &= $aString[$i] & @CRLF
Next
$sString2 = StringTrimRight($sString2, 2)
MsgBox(64, '$sString2', $sString2)