Underline the vowels

fishbowl

desktop

waterproof

snowstorm

bedroom

bedspread

clothesline

lookout

campfire

grandparent

loudspeaker

blindfold

yourself

undertake

yardstick

overhead

railroad

bookcase

newborn

overdo

Vowels: a, e, i, o, u

Fishbowl - I and O

Desktop - E and O

Waterproof - A, E, and O

Snowstorm - O

Bedroom - E and O

Bedspread - E and A

Clothesline - O and E

Lookout - O

Campfire - A and E

Grandparent - A and E

Loudspeaker - E, U and A

Blindfold - O and i

Yourself - O, U and E

Undertake - E, U and A

Yardstick - A and I

Overhead - E and A

Railroad - A, I, and O

Bookcase - O, A, and E

Newborn - E and O

Overdo - E and O

Fishbowl - i, o

desktop - e, o

waterproof - a, e, o, o

snowstorm - o, o

bedroom - e, o, o

bedspread - e, e, a

clothesline - o, e, i, e

lookout - o, o, o, u

campfire - a, i, e

grandparent - a, a, e

loudspeaker - o, u, e, a, e

blindfold - i, o

yourself - o, u, e

undertake - u, e, a, e

yardstick - a, i

overhead - o, e, e, a

railroad - a, i, o, a

bookcase - o, o, a, e

newborn - e, o

overdo - o, e, o