Text: Update and add tests for short words

pkg/txt/shortwords.go

@@ -262,6 +262,7 @@ var ShortWords = map[string]bool{
 	"bks": true,
 	"bkt": true,
 	"bl":  true,
+	"bla": true,
 	"bld": true,
 	"blk": true,
 	"blo": true,
@@ -1267,6 +1268,7 @@ var ShortWords = map[string]bool{
 	"kin": true,
 	"kip": true,
 	"kit": true,
+	"kuh": true,
 	"kyu": true,
 	"kl":  true,
 	"kln": true,
@@ -1546,6 +1548,7 @@ var ShortWords = map[string]bool{
 	"mus": true,
 	"mut": true,
 	"mux": true,
+	"muh": true,
 	"mv":  true,
 	"mw":  true,
 	"mwa": true,

pkg/txt/words_test.go

@@ -6,6 +6,27 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func TestUnknownWord(t *testing.T) {
+	t.Run("Empty", func(t *testing.T) {
+		assert.True(t, UnknownWord(""))
+	})
+	t.Run("qx", func(t *testing.T) {
+		assert.True(t, UnknownWord("qx"))
+	})
+	t.Run("atz", func(t *testing.T) {
+		assert.True(t, UnknownWord("atz"))
+	})
+	t.Run("xqx", func(t *testing.T) {
+		assert.True(t, UnknownWord("xqx"))
+	})
+	t.Run("桥", func(t *testing.T) {
+		assert.False(t, UnknownWord("桥"))
+	})
+	t.Run("桥船", func(t *testing.T) {
+		assert.False(t, UnknownWord("桥船"))
+	})
+}
+
 func TestWords(t *testing.T) {
 	t.Run("桥", func(t *testing.T) {
 		result := Words("桥")