rules/sentiments/principles something with sour vs. power, pour ~ poor ~ pore ~ poar

Respell "st" /s/ to "ss", reserve "st" for /st/

Support

ss /s/: miss, lesson

st /st/: mist

Changes

    listen => lissen
    fasten => fassen
    

Reinforce o /ɑ/, oa /oʊ/ paradigm

Support

o /ɑ/: roster, moss, got, cost, lost, soccer, sock, rock, mock

oa /oʊ/: roast, toast, boast, coast, moat, gloat, goat, soar

what about ball, fall, mall?

Changes

    ghost => goast
    most => moast