How do you spell bayley in spanish?

B - bay (be)

A - ah (a)

Y - ee gree-aygah (i griega)

L - ellay (ele)

E - ey (e)

Y - ee grre-aygah (i griega)

(The bracketed 'be' etc. are the names of the letters in Spanish, preceded by thier approx. pronunciation in English

To get a Spanish-speaker to read out the sound 'bayley', you could write:

'beili' with an accent on the 'e'.