The initial idioms of the letter S

scrape away	scrape by
scrape off	scrape out
scrape out of	scrape the barrel
scrape the bottom of the barrel	scrape through
scrape together	scrape up an acquaintance
scratch about	scratch at
scratch away	scratch back
scratch from	scratch head
scratch off	scratch one's head
scratch out	scratch sheet
scratch someone's back	scratch that
scratch the surface	scratch up
scratch	scratch for (one)self
scratch (someone or something) together	scream (one's) head off
scream at	scream blue murder