American English

It has been found that children make up their own phonetics in order to write, and those that do are among the best readers.  Now it is possible to use truespel phonetics for initial writing and reading to enhance phonemic awareness as well as making writing easy to do in regular letters phonetically.  There are many other uses, such as interventions, assessments, and ESL.  Truespel is free on the internet at truespel.com and links to phonics because it's phonics based with many phonics studies to show frequency of spelling of the 40 US English phonemes.  See 

The 40 sounds of US English are spelled by the 26 letters of the alphabet.  This analysis examines each letter and lists the 10 most popular words and gives the percentage of most popular sounds that each letter spells.  This analysis examines word popularity in print, so the most repeated words account for the most frequent phonemes.  See  https://screencast-o-matic.com/watch/cFhDVIbzkQ   This is a truespel analysis.  Free truespel tutorials and converter ate at http://truespel.com