Added voice control

Former-commit-id: 6f69079bf44f0d8f9ae40de6b0f1638d103464c2

lib/sphinx4-5prealpha-src/tests/performance/an4/an4_spelling.flat_unigram.fst

@@ -0,0 +1,88 @@
+#FSTBasic MinPlus
+I 2
+F 0 3.40644
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+T 0 26 w w 3.32954
+T 0 27 x x 3.32954
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+T 0 29 z z 3.32954
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