The portal page
Animal tool
https://suigei.wpx.jp/lesson/animal/
Trial Lessons
https://suigei.wpx.jp/lesson/trial/
How to generate voice
https://suigei.wpx.jp/lesson/prologue/
Consonants
https://suigei.wpx.jp/lesson/consonant
Vowels
https://suigei.wpx.jp/lesson/vowel/
Prosody
https://suigei.wpx.jp/lesson/prosody-2
Students’ page
https://suigei.wpx.jp/lesson/students/