letter-keyword-sound
r
r - rat - /r/
which letters are bonus letters?
f, l, and s
bring
cats
cobwebs
i
i - itch - /i/
bill
pinch
pests
fireman
th
th - thumb - /th/
Jeff
grass
stumped
talented
ong
ong - song - /ong/
sock
shell
thrilling
scrapes
unk
unk - junk - /unk/
chill
drank
squishes
publishing