llDialog(llGetOwner(),"text\ntext\ntextabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz\ntext\ntext\ntext\ntext\ntext\ntext\ntext\ntext\ntext\ntext\ntext\ntext\ntext",["B1","B2","B3","B4"],-1);

This should probably wrap just after the 's', however the line continues as far as 'u' with t on the inner edge of the panel and the u overhanging

Note: this is not resolved by the fix for #5755 (confirmed in a local build of Kokua)