VOWEL

A or o

• 'Wheel' purchase

• I'd like to buy a ___, Pat

• Wheel of Fortune buy

• Wheel of Fortune purchase

• A or I, e.g.

• A, e, i, o or u

• A, E, or I

• A, e.g.

• A, for one

• Alpha or omega

• Certain letter

• Either of two in this answer

• Has has one

• I is one

• IOU letter?

• It can be long or short

• One of an au pair?

• One of California's five

• One of five different ones in sequoia

• One of five-and-a-half

• One of fourteen, for Hungarians

• One of sequoia's five

• Part of a facetious sequence?

• Polish name rarity?

• There's one at the end of this clue

• There's one in ten

• What every other letter of every answer in this puzzle is

• Y, sometimes

• A speech sound made with the vocal tract open