My apologies.
I personally do not believe that any construction of sounds or letters are inherently "sinful" to speak or write, as I am unable to find any Scripture establishing such an idea; rather, I think usage determines moral value (i.e., if I said "You are a piece of sh**" to another FReeper, that word-usage would a sort of cursing against one of God's creations and therefore UnChristian, bad, and wrong).
However, my views are not shared by all Christians and I should be more circumspect not to give offense. Mea Culpa.