English Alphabet and Phonics
The names of the letters are not the sounds they make. Phonics closes that gap. Free, no sign-up.
Letter names versus letter sounds
The name is on the left, the sound it makes inside a word is on the right.
Sounds that trip up Japanese speakers
These distinctions do not exist in Japanese, so they are worth practicing on purpose.
Once you can read these
Other languages
The same pages exist for every language here.