Set two sounds

PURPLE: Hey, a new letter.

RED: That's the letter i - it makes the i sound.

i, i, iguana.

PURPLE: i, i, igloo.

That's the letter n - it makes the n sound.

n, n, nose.

RED: n, n, nails.

That's the letter m - it makes the m sound.

m, m, map.

BOTH: Arrggh

PURPLE: m, m, monkey.

BOTH: Awww.

PURPLE: That's the letter d - it makes the d sound.

d, d, dinosaur.

RED: d, d, drum.

BOTH: Yay!

RED: Now we know lots more letters.

PURPLE: And the sounds they make.

RED: We can use these to make words.

i, n: in

PURPLE: d, i, m: dim.

RED: These are all the letters we've found so far.

s, i, t: sit.

PURPLE: d, i, p: dip.