Andres found that "THAG PA" caused a NullPointerException. That's fixed.

Renamed ACIPString to TString -- we'll use this for EWTS and ACIP both.

TMW->ACIP for TMW9.61 should work now.

source/org/thdl/tib/text/ttt/ACIPRules.java

@@ -174,6 +174,7 @@ public class ACIPRules {
         if (null == wylieToACIP) {
             wylieToACIP = new HashMap(75);
             wylieToACIP.put("_", " "); // oddball.
+            wylieToACIP.put("o'i", "O'I"); // oddball for TMW9.61.
         }
         wylieToACIP.put(EWTS, ACIP);
     }