We use the RWI letter formation phrases in Phase 1 - because the phrase foreces the brain to use the correct starting post and exits! The embedded mnemonic pictures help them to link that grapheme with ONE of the spelling choices - which is fine during the Orange and Green Code Levels (Speech Sound Pics Approach)  

See RWI letter formation phrases used by Miss Emma on youtube and watch Maya teaching them in the SSP Monster Mapping app. We love this resource! 

RWI Letter Formation Cards - Monster Mappers use these for letter formation