-ack
⬅️
back
🎒
pack
🗄️
rack
💰
sack
📌
tack
⚫
black
💥
crack
🍪
snack
📚
stack
🛤️
track
⚔️
attack
✈️
hijack
🎒
backpack
🏁
racetrack
🎁
knickknack
💬
feedback
I
pack
my
black
backpack,
put
a
snack
and
knickknack
on
the
rack
in
the
sack,
go
back
to
the
track
and
racetrack,
hear
a
crack,
stack
and
tack,
avoid
the
attack
and
hijack,
get
feedback.
Lesson 15