Add word

n x b

clear / n /
↓
" n "
clear / s /
↓
" x "
clear / ɓ /
↓
" b "
Add letter-sound correspondence launch
Resources
Vietnamese resources:
  1. Forvo
  2. Google Translate
  3. Vietnamese to IPA Converter
General resources:
  1. Words pending
  2. elimu.ai Wiki
  3. Creating Localizable Learning Apps