The government have now said this:
‘The 2007 Letters and Sounds handbook, published under the previous
government, has never been a full SSP programme.
For a number of years, effective teaching using Letters and Sounds has relied on schools themselves building a programme around the handbook.
We recognise, however, that for many schools, especially those who want or need to improve their practice, 2007 Letters and Sounds is not fit for purpose and does not provide the support, guidance, resources or training needed.’