Index: Tables/en-us-g2.ctb
===================================================================
--- Tables/en-us-g2.ctb	(revision 6656)
+++ Tables/en-us-g2.ctb	(working copy)
@@ -582,6 +582,7 @@
 begword ingle 35-1245-123-15 inglenook
 sufword isinglass 24-234-35-1245-123-1-234-234
 joinword into 35-235
+sufword iou =
 begword irredeem = irredeemably
 begword irrevers 24-1235-1235-15-1236-12456-234 irreversible
 always isomer 24-234-135-134-12456