1.47.03d (from http://espeak.sourceforge.net/test/latest.html)

espeak-data/voices/test/ak

-name akan-test
-language ak
-translator sw
- 

espeak-data/voices/test/az

-name azerbaijani-test
-language az
-

espeak-data/voices/test/dv

-name divehi-test
-language dv
-

espeak-data/voices/test/ht

-name haitian
-language ht
- 

espeak-data/voices/test/kk

-name kazakh
-language kk
- 

espeak-data/voices/test/mt

-name maltese-test
-language mt
- 

espeak-data/voices/test/nso

-name northern-sotho
-language nso
-translator sw

espeak-data/voices/test/prs

-name dari-test
-language prs
-
-translator fa
-stressrule 10

espeak-data/voices/test/rw

-name kinyarwanda-test
-language rw
-gender male
- 

espeak-data/voices/test/tn

-name setswana-test
-language tn
- 

espeak-data/voices/test/tt

-name tatar-test
-language tt
-
-tunes s3 c3 q3 e3
-

espeak-data/voices/test/wo

-name wolof-test
-language wo
-
-